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	diff --git a/util/sox/SConscript b/util/sox/SConscript
	deleted file mode 100644
	index 2efc0e38..00000000
	--- a/util/sox/SConscript
	+++ /dev/null
	@@ -1,7 +0,0 @@
	-Import('use')
	-
	-source = Split("""src/formats.c
	-""")
	-
	-x = use.StaticLibrary('sox', source)
	-Return('x')
	diff --git a/util/sox/src/effects.h b/util/sox/src/effects.h
	deleted file mode 100644
	index 92fff0b3..00000000
	--- a/util/sox/src/effects.h
	+++ /dev/null
	@@ -1,95 +0,0 @@
	-/* This library is free software; you can redistribute it and/or modify it
	- * under the terms of the GNU Lesser General Public License as published by
	- * the Free Software Foundation; either version 2.1 of the License, or (at
	- * your option) any later version.
	- *
	- * This library is distributed in the hope that it will be useful, but
	- * WITHOUT ANY WARRANTY; without even the implied warranty of
	- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
	- * General Public License for more details.
	- *
	- * You should have received a copy of the GNU Lesser General Public License
	- * along with this library; if not, write to the Free Software Foundation,
	- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	- */
	-
	-/* FIXME: generate this list automatically */
	-
	- EFFECT(allpass)
	- EFFECT(band)
	- EFFECT(bandpass)
	- EFFECT(bandreject)
	- EFFECT(bass)
	- EFFECT(bend)
	- EFFECT(biquad)
	- EFFECT(chorus)
	- EFFECT(channels)
	- EFFECT(compand)
	- EFFECT(contrast)
	- EFFECT(crop)
	- EFFECT(dcshift)
	- EFFECT(deemph)
	- EFFECT(delay)
	- EFFECT(dft_filter) /* abstract */
	- EFFECT(dither)
	- EFFECT(divide)
	- EFFECT(earwax)
	- EFFECT(echo)
	- EFFECT(echos)
	- EFFECT(equalizer)
	- EFFECT(fade)
	- EFFECT(filter)
	- EFFECT(fir)
	- EFFECT(firfit)
	- EFFECT(flanger)
	- EFFECT(gain)
	- EFFECT(highpass)
	- EFFECT(input)
	- EFFECT(key)
	-#ifdef HAVE_LADSPA_H
	- EFFECT(ladspa)
	-#endif
	- EFFECT(loudness)
	- EFFECT(lowpass)
	- EFFECT(mcompand)
	- EFFECT(mixer)
	- EFFECT(noiseprof)
	- EFFECT(noisered)
	- EFFECT(norm)
	- EFFECT(oops)
	- EFFECT(output)
	- EFFECT(overdrive)
	- EFFECT(pad)
	- EFFECT(pan)
	- EFFECT(phaser)
	- EFFECT(pitch)
	- EFFECT(polyphase)
	- EFFECT(rabbit)
	- EFFECT(rate)
	- EFFECT(remix)
	- EFFECT(repeat)
	- EFFECT(resample)
	- EFFECT(reverb)
	- EFFECT(reverse)
	- EFFECT(riaa)
	- EFFECT(silence)
	- EFFECT(sinc)
	-#ifdef HAVE_PNG
	- EFFECT(spectrogram)
	-#endif
	- EFFECT(speed)
	-#ifdef HAVE_SPEEXDSP
	- EFFECT(speexdsp)
	-#endif
	- EFFECT(splice)
	- EFFECT(stat)
	- EFFECT(stats)
	- EFFECT(stretch)
	- EFFECT(swap)
	- EFFECT(synth)
	- EFFECT(tempo)
	- EFFECT(treble)
	- EFFECT(tremolo)
	- EFFECT(trim)
	- EFFECT(vad)
	- EFFECT(vol)
	diff --git a/util/sox/src/formats.c b/util/sox/src/formats.c
	deleted file mode 100644
	index 3a6ac33a..00000000
	--- a/util/sox/src/formats.c
	+++ /dev/null
	@@ -1,1263 +0,0 @@
	-/* Implements the public API for using libSoX file formats.
	- * All public functions & data are prefixed with sox_ .
	- *
	- * (c) 2005-8 Chris Bagwell and SoX contributors
	- *
	- * This library is free software; you can redistribute it and/or modify it
	- * under the terms of the GNU Lesser General Public License as published by
	- * the Free Software Foundation; either version 2.1 of the License, or (at
	- * your option) any later version.
	- *
	- * This library is distributed in the hope that it will be useful, but
	- * WITHOUT ANY WARRANTY; without even the implied warranty of
	- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
	- * General Public License for more details.
	- *
	- * You should have received a copy of the GNU Lesser General Public License
	- * along with this library; if not, write to the Free Software Foundation,
	- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	- */
	-
	-#include "sox_i.h"
	-
	-#include <assert.h>
	-#include <ctype.h>
	-#include <errno.h>
	-#include <fcntl.h>
	-#include <stdlib.h>
	-#include <string.h>
	-#include <sys/stat.h>
	-#include <sys/types.h>
	-
	-#ifdef HAVE_IO_H
	- #include <io.h>
	-#endif
	-
	-#if HAVE_MAGIC
	- #include <magic.h>
	-#endif
	-
	-#define AUTO_DETECT_SIZE 256
	-
	-static char const * auto_detect_format(sox_format_t * ft, char const * ext)
	-{
	- char data[AUTO_DETECT_SIZE];
	- size_t len = lsx_readbuf(ft, data, sizeof(data));
	- #define CHECK(type, p2, l2, d2, p1, l1, d1) if (len >= p1 + l1 && \
	- !memcmp(data + p1, d1, (size_t)l1) && !memcmp(data + p2, d2, (size_t)l2)) return #type;
	- CHECK(voc , 0, 0, "" , 0, 20, "Creative Voice File\x1a")
	- CHECK(smp , 0, 0, "" , 0, 17, "SOUND SAMPLE DATA")
	- CHECK(wve , 0, 0, "" , 0, 15, "ALawSoundFile**")
	- CHECK(gsrt , 0, 0, "" , 16, 9, "ring.bin")
	- CHECK(amr-wb, 0, 0, "" , 0, 9, "#!AMR-WB\n")
	- CHECK(prc , 0, 0, "" , 0, 8, "\x37\x00\x00\x10\x6d\x00\x00\x10")
	- CHECK(sph , 0, 0, "" , 0, 7, "NIST_1A")
	- CHECK(amr-nb, 0, 0, "" , 0, 6, "#!AMR\n")
	- CHECK(txw , 0, 0, "" , 0, 6, "LM8953")
	- CHECK(sndt , 0, 0, "" , 0, 6, "SOUND\x1a")
	- CHECK(vorbis, 0, 4, "OggS" , 29, 6, "vorbis")
	- CHECK(speex , 0, 4, "OggS" , 28, 6, "Speex")
	- CHECK(hcom ,65, 4, "FSSD" , 128,4, "HCOM")
	- CHECK(wav , 0, 4, "RIFF" , 8, 4, "WAVE")
	- CHECK(wav , 0, 4, "RIFX" , 8, 4, "WAVE")
	- CHECK(aiff , 0, 4, "FORM" , 8, 4, "AIFF")
	- CHECK(aifc , 0, 4, "FORM" , 8, 4, "AIFC")
	- CHECK(8svx , 0, 4, "FORM" , 8, 4, "8SVX")
	- CHECK(maud , 0, 4, "FORM" , 8, 4, "MAUD")
	- CHECK(xa , 0, 0, "" , 0, 4, "XA\0\0")
	- CHECK(xa , 0, 0, "" , 0, 4, "XAI\0")
	- CHECK(xa , 0, 0, "" , 0, 4, "XAJ\0")
	- CHECK(au , 0, 0, "" , 0, 4, ".snd")
	- CHECK(au , 0, 0, "" , 0, 4, "dns.")
	- CHECK(au , 0, 0, "" , 0, 4, "\0ds.")
	- CHECK(au , 0, 0, "" , 0, 4, ".sd\0")
	- CHECK(flac , 0, 0, "" , 0, 4, "fLaC")
	- CHECK(avr , 0, 0, "" , 0, 4, "2BIT")
	- CHECK(caf , 0, 0, "" , 0, 4, "caff")
	- CHECK(wv , 0, 0, "" , 0, 4, "wvpk")
	- CHECK(paf , 0, 0, "" , 0, 4, " paf")
	- CHECK(sf , 0, 0, "" , 0, 4, "\144\243\001\0")
	- CHECK(sf , 0, 0, "" , 0, 4, "\0\001\243\144")
	- CHECK(sf , 0, 0, "" , 0, 4, "\144\243\002\0")
	- CHECK(sf , 0, 0, "" , 0, 4, "\0\002\243\144")
	- CHECK(sf , 0, 0, "" , 0, 4, "\144\243\003\0")
	- CHECK(sf , 0, 0, "" , 0, 4, "\0\003\243\144")
	- CHECK(sf , 0, 0, "" , 0, 4, "\144\243\004\0")
	- CHECK(sox , 0, 0, "" , 0, 4, ".SoX")
	- CHECK(sox , 0, 0, "" , 0, 4, "XoS.")
	-
	- if (ext && !strcasecmp(ext, "snd"))
	- CHECK(sndr , 7, 1, "" , 0, 2, "\0")
	- #undef CHECK
	-
	-#if HAVE_MAGIC
	- if (sox_globals.use_magic) {
	- static magic_t magic;
	- char const * filetype = NULL;
	- if (!magic) {
	- magic = magic_open(MAGIC_MIME \| MAGIC_SYMLINK);
	- if (magic)
	- magic_load(magic, NULL);
	- }
	- if (magic)
	- filetype = magic_buffer(magic, data, sizeof(data));
	- if (filetype && strncmp(filetype, "application/octet-stream", (size_t)24) &&
	- !lsx_strends(filetype, "/unknown") &&
	- strncmp(filetype, "text/plain", (size_t)10) )
	- return filetype;
	- else if (filetype)
	- lsx_debug("libmagic detected %s", filetype);
	- }
	-#endif
	- return NULL;
	-}
	-
	-sox_encodings_info_t const sox_encodings_info[] = {
	- {0 , "n/a" , "Unknown or not applicable"},
	- {0 , "Signed PCM" , "Signed Integer PCM"},
	- {0 , "Unsigned PCM" , "Unsigned Integer PCM"},
	- {0 , "F.P. PCM" , "Floating Point PCM"},
	- {0 , "F.P. PCM" , "Floating Point (text) PCM"},
	- {0 , "FLAC" , "FLAC"},
	- {0 , "HCOM" , "HCOM"},
	- {0 , "WavPack" , "WavPack"},
	- {0 , "F.P. WavPack" , "Floating Point WavPack"},
	- {SOX_LOSSY1, "u-law" , "u-law"},
	- {SOX_LOSSY1, "A-law" , "A-law"},
	- {SOX_LOSSY1, "G.721 ADPCM" , "G.721 ADPCM"},
	- {SOX_LOSSY1, "G.723 ADPCM" , "G.723 ADPCM"},
	- {SOX_LOSSY1, "CL ADPCM (8)" , "CL ADPCM (from 8-bit)"},
	- {SOX_LOSSY1, "CL ADPCM (16)", "CL ADPCM (from 16-bit)"},
	- {SOX_LOSSY1, "MS ADPCM" , "MS ADPCM"},
	- {SOX_LOSSY1, "IMA ADPCM" , "IMA ADPCM"},
	- {SOX_LOSSY1, "OKI ADPCM" , "OKI ADPCM"},
	- {SOX_LOSSY1, "DPCM" , "DPCM"},
	- {0 , "DWVW" , "DWVW"},
	- {0 , "DWVWN" , "DWVWN"},
	- {SOX_LOSSY2, "GSM" , "GSM"},
	- {SOX_LOSSY2, "MPEG audio" , "MPEG audio (layer I, II or III)"},
	- {SOX_LOSSY2, "Vorbis" , "Vorbis"},
	- {SOX_LOSSY2, "AMR-WB" , "AMR-WB"},
	- {SOX_LOSSY2, "AMR-NB" , "AMR-NB"},
	- {SOX_LOSSY2, "CVSD" , "CVSD"},
	- {SOX_LOSSY2, "LPC10" , "LPC10"},
	-};
	-
	-assert_static(array_length(sox_encodings_info) == SOX_ENCODINGS,
	- SIZE_MISMATCH_BETWEEN_sox_encoding_t_AND_sox_encodings_info);
	-
	-unsigned sox_precision(sox_encoding_t encoding, unsigned bits_per_sample)
	-{
	- switch (encoding) {
	- case SOX_ENCODING_DWVW: return bits_per_sample;
	- case SOX_ENCODING_DWVWN: return !bits_per_sample? 16: 0; /* ? */
	- case SOX_ENCODING_HCOM: return !(bits_per_sample & 7) && (bits_per_sample >> 3) - 1 < 1? bits_per_sample: 0;
	- case SOX_ENCODING_WAVPACK:
	- case SOX_ENCODING_FLAC: return !(bits_per_sample & 7) && (bits_per_sample >> 3) - 1 < 4? bits_per_sample: 0;
	- case SOX_ENCODING_SIGN2: return bits_per_sample <= 32? bits_per_sample : 0;
	- case SOX_ENCODING_UNSIGNED: return !(bits_per_sample & 7) && (bits_per_sample >> 3) - 1 < 4? bits_per_sample: 0;
	-
	- case SOX_ENCODING_ALAW: return bits_per_sample == 8? 13: 0;
	- case SOX_ENCODING_ULAW: return bits_per_sample == 8? 14: 0;
	-
	- case SOX_ENCODING_CL_ADPCM: return bits_per_sample? 8: 0;
	- case SOX_ENCODING_CL_ADPCM16: return bits_per_sample == 4? 13: 0;
	- case SOX_ENCODING_MS_ADPCM: return bits_per_sample == 4? 14: 0;
	- case SOX_ENCODING_IMA_ADPCM: return bits_per_sample == 4? 13: 0;
	- case SOX_ENCODING_OKI_ADPCM: return bits_per_sample == 4? 12: 0;
	- case SOX_ENCODING_G721: return bits_per_sample == 4? 12: 0;
	- case SOX_ENCODING_G723: return bits_per_sample == 3? 8:
	- bits_per_sample == 5? 14: 0;
	- case SOX_ENCODING_CVSD: return bits_per_sample == 1? 16: 0;
	- case SOX_ENCODING_DPCM: return bits_per_sample; /* ? */
	-
	- case SOX_ENCODING_MP3: return 0; /* Accept the precision returned by the format. */
	-
	- case SOX_ENCODING_GSM:
	- case SOX_ENCODING_VORBIS:
	- case SOX_ENCODING_AMR_WB:
	- case SOX_ENCODING_AMR_NB:
	- case SOX_ENCODING_LPC10: return !bits_per_sample? 16: 0;
	-
	- case SOX_ENCODING_WAVPACKF:
	- case SOX_ENCODING_FLOAT: return bits_per_sample == 32 ? 24: bits_per_sample == 64 ? 53: 0;
	- case SOX_ENCODING_FLOAT_TEXT: return !bits_per_sample? 53: 0;
	-
	- case SOX_ENCODINGS:
	- case SOX_ENCODING_UNKNOWN: break;
	- }
	- return 0;
	-}
	-
	-void sox_init_encodinginfo(sox_encodinginfo_t * e)
	-{
	- e->reverse_bytes = SOX_OPTION_DEFAULT;
	- e->reverse_nibbles = SOX_OPTION_DEFAULT;
	- e->reverse_bits = SOX_OPTION_DEFAULT;
	- e->compression = HUGE_VAL;
	-}
	-
	-/--------------------------------- Comments ---------------------------------/
	-
	-size_t sox_num_comments(sox_comments_t comments)
	-{
	- size_t result = 0;
	- if (!comments)
	- return 0;
	- while (*comments++)
	- ++result;
	- return result;
	-}
	-
	-void sox_append_comment(sox_comments_t * comments, char const * comment)
	-{
	- size_t n = sox_num_comments(*comments);
	- comments = lsx_realloc(comments, (n + 2) * sizeof(**comments));
	- assert(comment);
	- (*comments)[n++] = lsx_strdup(comment);
	- (*comments)[n] = 0;
	-}
	-
	-void sox_append_comments(sox_comments_t * comments, char const * comment)
	-{
	- char * end;
	- if (comment) {
	- while ((end = strchr(comment, '\n'))) {
	- size_t len = end - comment;
	- char * c = lsx_malloc((len + 1) * sizeof(*c));
	- strncpy(c, comment, len);
	- c[len] = '\0';
	- sox_append_comment(comments, c);
	- comment += len + 1;
	- free(c);
	- }
	- if (*comment)
	- sox_append_comment(comments, comment);
	- }
	-}
	-
	-sox_comments_t sox_copy_comments(sox_comments_t comments)
	-{
	- sox_comments_t result = 0;
	-
	- if (comments) while (*comments)
	- sox_append_comment(&result, *comments++);
	- return result;
	-}
	-
	-void sox_delete_comments(sox_comments_t * comments)
	-{
	- sox_comments_t p = *comments;
	-
	- if (p) while (*p)
	- free(*p++);
	- free(*comments);
	- *comments = 0;
	-}
	-
	-char * lsx_cat_comments(sox_comments_t comments)
	-{
	- sox_comments_t p = comments;
	- size_t len = 0;
	- char * result;
	-
	- if (p) while (*p)
	- len += strlen(*p++) + 1;
	-
	- result = lsx_calloc(len? len : 1, sizeof(*result));
	-
	- if ((p = comments) && *p) {
	- strcpy(result, *p);
	- while (*++p)
	- strcat(strcat(result, "\n"), *p);
	- }
	- return result;
	-}
	-
	-char const * sox_find_comment(sox_comments_t comments, char const * id)
	-{
	- size_t len = strlen(id);
	-
	- if (comments) for (;*comments; ++comments)
	- if (!strncasecmp(comments, id, len) && (comments)[len] == '=')
	- return *comments + len + 1;
	- return NULL;
	-}
	-
	-static void set_endiannesses(sox_format_t * ft)
	-{
	- if (ft->encoding.opposite_endian)
	- ft->encoding.reverse_bytes = (ft->handler.flags & SOX_FILE_ENDIAN)?
	- !(ft->handler.flags & SOX_FILE_ENDBIG) != MACHINE_IS_BIGENDIAN : sox_true;
	- else if (ft->encoding.reverse_bytes == SOX_OPTION_DEFAULT)
	- ft->encoding.reverse_bytes = (ft->handler.flags & SOX_FILE_ENDIAN)?
	- !(ft->handler.flags & SOX_FILE_ENDBIG) == MACHINE_IS_BIGENDIAN : sox_false;
	-
	- /* FIXME: Change reports to suitable warnings if trying
	- * to override something that can't be overridden. */
	-
	- if (ft->handler.flags & SOX_FILE_ENDIAN) {
	- if (ft->encoding.reverse_bytes == (sox_option_t)
	- (!(ft->handler.flags & SOX_FILE_ENDBIG) != MACHINE_IS_BIGENDIAN))
	- lsx_report("`%s': overriding file-type byte-order", ft->filename);
	- } else if (ft->encoding.reverse_bytes == sox_true)
	- lsx_report("`%s': overriding machine byte-order", ft->filename);
	-
	- if (ft->encoding.reverse_bits == SOX_OPTION_DEFAULT)
	- ft->encoding.reverse_bits = !!(ft->handler.flags & SOX_FILE_BIT_REV);
	- else if (ft->encoding.reverse_bits == !(ft->handler.flags & SOX_FILE_BIT_REV))
	- lsx_report("`%s': overriding file-type bit-order", ft->filename);
	-
	- if (ft->encoding.reverse_nibbles == SOX_OPTION_DEFAULT)
	- ft->encoding.reverse_nibbles = !!(ft->handler.flags & SOX_FILE_NIB_REV);
	- else
	- if (ft->encoding.reverse_nibbles == !(ft->handler.flags & SOX_FILE_NIB_REV))
	- lsx_report("`%s': overriding file-type nibble-order", ft->filename);
	-}
	-
	-static sox_bool is_seekable(sox_format_t const * ft)
	-{
	- struct stat st;
	-
	- assert(ft);
	- if (!ft->fp)
	- return sox_false;
	- fstat(fileno(ft->fp), &st);
	- return ((st.st_mode & S_IFMT) == S_IFREG);
	-}
	-
	-/* check that all settings have been given */
	-static int sox_checkformat(sox_format_t * ft)
	-{
	- ft->sox_errno = SOX_SUCCESS;
	-
	- if (!ft->signal.rate) {
	- lsx_fail_errno(ft,SOX_EFMT,"sampling rate was not specified");
	- return SOX_EOF;
	- }
	- if (!ft->signal.precision) {
	- lsx_fail_errno(ft,SOX_EFMT,"data encoding was not specified");
	- return SOX_EOF;
	- }
	- return SOX_SUCCESS;
	-}
	-
	-static sox_bool is_url(char const * text) /* detects only wget-supported URLs */
	-{
	- return !(
	- strncasecmp(text, "http:" , (size_t)5) &&
	- strncasecmp(text, "https:", (size_t)6) &&
	- strncasecmp(text, "ftp:" , (size_t)4));
	-}
	-
	-static int xfclose(FILE * file, lsx_io_type io_type)
	-{
	- return
	-#ifdef HAVE_POPEN
	- io_type != lsx_io_file? pclose(file) :
	-#endif
	- fclose(file);
	-}
	-
	-static FILE * xfopen(char const * identifier, char const * mode, lsx_io_type * io_type)
	-{
	- *io_type = lsx_io_file;
	-
	- if (*identifier == '\|') {
	- FILE * f = NULL;
	-#ifdef HAVE_POPEN
	- f = popen(identifier + 1, "r");
	- *io_type = lsx_io_pipe;
	-#else
	- lsx_fail("this build of SoX cannot open pipes");
	-#endif
	- return f;
	- }
	- else if (is_url(identifier)) {
	- FILE * f = NULL;
	-#ifdef HAVE_POPEN
	- char const * const command_format = "wget --no-check-certificate -q -O- \"%s\"";
	- char * command = lsx_malloc(strlen(command_format) + strlen(identifier));
	- sprintf(command, command_format, identifier);
	- f = popen(command, "r");
	- free(command);
	- *io_type = lsx_io_url;
	-#else
	- lsx_fail("this build of SoX cannot open URLs");
	-#endif
	- return f;
	- }
	- return fopen(identifier, mode);
	-}
	-
	-/* Hack to rewind pipes (a small amount).
	- * Works by resetting the FILE buffer pointer */
	-static void UNUSED rewind_pipe(FILE * fp)
	-{
	-/* _FSTDIO is for Torek stdio (i.e. most BSD-derived libc's)
	- * In theory, we no longer need to check _NEWLIB_VERSION or __APPLE__ */
	-#if defined _FSTDIO \|\| defined _NEWLIB_VERSION \|\| defined __APPLE__
	- fp->_p -= AUTO_DETECT_SIZE;
	- fp->_r += AUTO_DETECT_SIZE;
	-#elif defined __GLIBC__
	- fp->_IO_read_ptr = fp->_IO_read_base;
	-#elif defined _MSC_VER \|\| defined __MINGW_H \|\| defined _ISO_STDIO_ISO_H
	- fp->_ptr = fp->_base;
	-#else
	- /* To fix this #error, either simply remove the #error line and live without
	- * file-type detection with pipes, or add support for your compiler in the
	- * lines above. Test with cat monkey.au \| ./sox --info - */
	- #error FIX NEEDED HERE
	- #define NO_REWIND_PIPE
	- (void)fp;
	-#endif
	-}
	-
	-static sox_format_t * open_read(
	- char const * path,
	- void * buffer UNUSED,
	- size_t buffer_size UNUSED,
	- sox_signalinfo_t const * signal,
	- sox_encodinginfo_t const * encoding,
	- char const * filetype)
	-{
	- sox_format_t * ft = lsx_calloc(1, sizeof(*ft));
	- sox_format_handler_t const * handler;
	- char const * const io_types[] = {"file", "pipe", "file URL"};
	- char const * type = "";
	- size_t input_bufsiz = sox_globals.input_bufsiz?
	- sox_globals.input_bufsiz : sox_globals.bufsiz;
	-
	- if (filetype) {
	- if (!(handler = sox_find_format(filetype, sox_false))) {
	- lsx_fail("no handler for given file type `%s'", filetype);
	- goto error;
	- }
	- ft->handler = *handler;
	- }
	-
	- if (!(ft->handler.flags & SOX_FILE_NOSTDIO)) {
	- if (!strcmp(path, "-")) { /* Use stdin if the filename is "-" */
	- if (sox_globals.stdin_in_use_by) {
	- lsx_fail("`-' (stdin) already in use by `%s'", sox_globals.stdin_in_use_by);
	- goto error;
	- }
	- sox_globals.stdin_in_use_by = "audio input";
	- SET_BINARY_MODE(stdin);
	- ft->fp = stdin;
	- }
	- else {
	- ft->fp =
	-#ifdef HAVE_FMEMOPEN
	- buffer? fmemopen(buffer, buffer_size, "rb") :
	-#endif
	- xfopen(path, "rb", &ft->io_type);
	- type = io_types[ft->io_type];
	- if (ft->fp == NULL) {
	- lsx_fail("can't open input %s `%s': %s", type, path, strerror(errno));
	- goto error;
	- }
	- }
	- if (setvbuf (ft->fp, NULL, _IOFBF, sizeof(char) * input_bufsiz)) {
	- lsx_fail("Can't set read buffer");
	- goto error;
	- }
	- ft->seekable = is_seekable(ft);
	- }
	-
	- if (!filetype) {
	- if (ft->seekable) {
	- filetype = auto_detect_format(ft, lsx_find_file_extension(path));
	- lsx_rewind(ft);
	- }
	-#ifndef NO_REWIND_PIPE
	- else if (!(ft->handler.flags & SOX_FILE_NOSTDIO) &&
	- input_bufsiz >= AUTO_DETECT_SIZE) {
	- filetype = auto_detect_format(ft, lsx_find_file_extension(path));
	- rewind_pipe(ft->fp);
	- ft->tell_off = 0;
	- }
	-#endif
	-
	- if (filetype) {
	- lsx_report("detected file format type `%s'", filetype);
	- if (!(handler = sox_find_format(filetype, sox_false))) {
	- lsx_fail("no handler for detected file type `%s'", filetype);
	- goto error;
	- }
	- }
	- else {
	- if (ft->io_type == lsx_io_pipe) {
	- filetype = "sox"; /* With successful pipe rewind, this isn't useful */
	- lsx_report("assuming input pipe `%s' has file-type `sox'", path);
	- }
	- else if (!(filetype = lsx_find_file_extension(path))) {
	- lsx_fail("can't determine type of %s `%s'", type, path);
	- goto error;
	- }
	- if (!(handler = sox_find_format(filetype, sox_true))) {
	- lsx_fail("no handler for file extension `%s'", filetype);
	- goto error;
	- }
	- }
	- ft->handler = *handler;
	- if (ft->handler.flags & SOX_FILE_NOSTDIO) {
	- xfclose(ft->fp, ft->io_type);
	- ft->fp = NULL;
	- }
	- }
	- if (!ft->handler.startread && !ft->handler.read) {
	- lsx_fail("file type `%s' isn't readable", filetype);
	- goto error;
	- }
	-
	- ft->mode = 'r';
	- ft->filetype = lsx_strdup(filetype);
	- ft->filename = lsx_strdup(path);
	- if (signal)
	- ft->signal = *signal;
	-
	- if (encoding)
	- ft->encoding = *encoding;
	- else sox_init_encodinginfo(&ft->encoding);
	- set_endiannesses(ft);
	-
	- if ((ft->handler.flags & SOX_FILE_DEVICE) && !(ft->handler.flags & SOX_FILE_PHONY))
	- lsx_set_signal_defaults(ft);
	-
	- ft->priv = lsx_calloc(1, ft->handler.priv_size);
	- /* Read and write starters can change their formats. */
	- if (ft->handler.startread && (*ft->handler.startread)(ft) != SOX_SUCCESS) {
	- lsx_fail("can't open input %s `%s': %s", type, ft->filename, ft->sox_errstr);
	- goto error;
	- }
	-
	- /* Fill in some defaults: */
	- if (sox_precision(ft->encoding.encoding, ft->encoding.bits_per_sample))
	- ft->signal.precision = sox_precision(ft->encoding.encoding, ft->encoding.bits_per_sample);
	- if (!(ft->handler.flags & SOX_FILE_PHONY) && !ft->signal.channels)
	- ft->signal.channels = 1;
	-
	- if (sox_checkformat(ft) != SOX_SUCCESS) {
	- lsx_fail("bad input format for %s `%s': %s", type, ft->filename, ft->sox_errstr);
	- goto error;
	- }
	-
	- if (signal) {
	- if (signal->rate && signal->rate != ft->signal.rate)
	- lsx_warn("can't set sample rate %g; using %g", signal->rate, ft->signal.rate);
	- if (signal->channels && signal->channels != ft->signal.channels)
	- lsx_warn("can't set %u channels; using %u", signal->channels, ft->signal.channels);
	- }
	- return ft;
	-
	-error:
	- if (ft->fp && ft->fp != stdin)
	- xfclose(ft->fp, ft->io_type);
	- free(ft->priv);
	- free(ft->filename);
	- free(ft->filetype);
	- free(ft);
	- return NULL;
	-}
	-
	-sox_format_t * sox_open_read(
	- char const * path,
	- sox_signalinfo_t const * signal,
	- sox_encodinginfo_t const * encoding,
	- char const * filetype)
	-{
	- return open_read(path, NULL, (size_t)0, signal, encoding, filetype);
	-}
	-
	-sox_format_t * sox_open_mem_read(
	- void * buffer,
	- size_t buffer_size,
	- sox_signalinfo_t const * signal,
	- sox_encodinginfo_t const * encoding,
	- char const * filetype)
	-{
	- return open_read("", buffer, buffer_size, signal,encoding,filetype);
	-}
	-
	-sox_bool sox_format_supports_encoding(
	- char const * path,
	- char const * filetype,
	- sox_encodinginfo_t const * encoding)
	-{
	- #define enc_arg(T) (T)handler->write_formats[i++]
	- sox_bool is_file_extension = filetype == NULL;
	- sox_format_handler_t const * handler;
	- unsigned i = 0, s;
	- sox_encoding_t e;
	-
	- assert(path);
	- assert(encoding);
	- if (!filetype)
	- filetype = lsx_find_file_extension(path);
	-
	- if (!filetype \|\| !(handler = sox_find_format(filetype, is_file_extension)) \|\|
	- !handler->write_formats)
	- return sox_false;
	- while ((e = enc_arg(sox_encoding_t))) {
	- if (e == encoding->encoding) {
	- sox_bool has_bits;
	- for (has_bits = sox_false; (s = enc_arg(unsigned)); has_bits = sox_true)
	- if (s == encoding->bits_per_sample)
	- return sox_true;
	- if (!has_bits && !encoding->bits_per_sample)
	- return sox_true;
	- break;
	- }
	- while (enc_arg(unsigned));
	- }
	- return sox_false;
	- #undef enc_arg
	-}
	-
	-static void set_output_format(sox_format_t * ft)
	-{
	- sox_encoding_t e;
	- unsigned i, s;
	- unsigned const * encodings = ft->handler.write_formats;
	-#define enc_arg(T) (T)encodings[i++]
	-
	- if (ft->handler.write_rates){
	- if (!ft->signal.rate)
	- ft->signal.rate = ft->handler.write_rates[0];
	- else {
	- sox_rate_t r;
	- i = 0;
	- while ((r = ft->handler.write_rates[i++])) {
	- if (r == ft->signal.rate)
	- break;
	- }
	- if (r != ft->signal.rate) {
	- sox_rate_t given = ft->signal.rate, max = 0;
	- ft->signal.rate = HUGE_VAL;
	- i = 0;
	- while ((r = ft->handler.write_rates[i++])) {
	- if (r > given && r < ft->signal.rate)
	- ft->signal.rate = r;
	- else max = max(r, max);
	- }
	- if (ft->signal.rate == HUGE_VAL)
	- ft->signal.rate = max;
	- lsx_warn("%s can't encode at %gHz; using %gHz", ft->handler.names[0], given, ft->signal.rate);
	- }
	- }
	- }
	- else if (!ft->signal.rate)
	- ft->signal.rate = SOX_DEFAULT_RATE;
	-
	- if (ft->handler.flags & SOX_FILE_CHANS) {
	- if (ft->signal.channels == 1 && !(ft->handler.flags & SOX_FILE_MONO)) {
	- ft->signal.channels = (ft->handler.flags & SOX_FILE_STEREO)? 2 : 4;
	- lsx_warn("%s can't encode mono; setting channels to %u", ft->handler.names[0], ft->signal.channels);
	- } else
	- if (ft->signal.channels == 2 && !(ft->handler.flags & SOX_FILE_STEREO)) {
	- ft->signal.channels = (ft->handler.flags & SOX_FILE_QUAD)? 4 : 1;
	- lsx_warn("%s can't encode stereo; setting channels to %u", ft->handler.names[0], ft->signal.channels);
	- } else
	- if (ft->signal.channels == 4 && !(ft->handler.flags & SOX_FILE_QUAD)) {
	- ft->signal.channels = (ft->handler.flags & SOX_FILE_STEREO)? 2 : 1;
	- lsx_warn("%s can't encode quad; setting channels to %u", ft->handler.names[0], ft->signal.channels);
	- }
	- } else ft->signal.channels = max(ft->signal.channels, 1);
	-
	- if (!encodings)
	- return;
	- /* If an encoding has been given, check if it supported by this handler */
	- if (ft->encoding.encoding) {
	- i = 0;
	- while ((e = enc_arg(sox_encoding_t))) {
	- if (e == ft->encoding.encoding)
	- break;
	- while (enc_arg(unsigned));
	- }
	- if (e != ft->encoding.encoding) {
	- lsx_warn("%s can't encode %s", ft->handler.names[0], sox_encodings_info[ft->encoding.encoding].desc);
	- ft->encoding.encoding = 0;
	- }
	- else {
	- unsigned max_p = 0;
	- unsigned max_p_s = 0;
	- unsigned given_size = 0;
	- sox_bool found = sox_false;
	- if (ft->encoding.bits_per_sample)
	- given_size = ft->encoding.bits_per_sample;
	- ft->encoding.bits_per_sample = 65;
	- while ((s = enc_arg(unsigned))) {
	- if (s == given_size)
	- found = sox_true;
	- if (sox_precision(e, s) >= ft->signal.precision) {
	- if (s < ft->encoding.bits_per_sample)
	- ft->encoding.bits_per_sample = s;
	- }
	- else if (sox_precision(e, s) > max_p) {
	- max_p = sox_precision(e, s);
	- max_p_s = s;
	- }
	- }
	- if (ft->encoding.bits_per_sample == 65)
	- ft->encoding.bits_per_sample = max_p_s;
	- if (given_size) {
	- if (found)
	- ft->encoding.bits_per_sample = given_size;
	- else lsx_warn("%s can't encode %s to %u-bit", ft->handler.names[0], sox_encodings_info[ft->encoding.encoding].desc, given_size);
	- }
	- }
	- }
	-
	- /* If a size has been given, check if it supported by this handler */
	- if (!ft->encoding.encoding && ft->encoding.bits_per_sample) {
	- i = 0;
	- s= 0;
	- while (s != ft->encoding.bits_per_sample && (e = enc_arg(sox_encoding_t)))
	- while ((s = enc_arg(unsigned)) && s != ft->encoding.bits_per_sample);
	- if (s != ft->encoding.bits_per_sample) {
	- lsx_warn("%s can't encode to %u-bit", ft->handler.names[0], ft->encoding.bits_per_sample);
	- ft->encoding.bits_per_sample = 0;
	- }
	- else ft->encoding.encoding = e;
	- }
	-
	- /* Find the smallest lossless encoding with precision >= signal.precision */
	- if (!ft->encoding.encoding) {
	- ft->encoding.bits_per_sample = 65;
	- i = 0;
	- while ((e = enc_arg(sox_encoding_t)))
	- while ((s = enc_arg(unsigned)))
	- if (!(sox_encodings_info[e].flags & (SOX_LOSSY1 \| SOX_LOSSY2)) &&
	- sox_precision(e, s) >= ft->signal.precision && s < ft->encoding.bits_per_sample) {
	- ft->encoding.encoding = e;
	- ft->encoding.bits_per_sample = s;
	- }
	- }
	-
	- /* Find the smallest lossy encoding with precision >= signal precision,
	- * or, if none such, the highest precision encoding */
	- if (!ft->encoding.encoding) {
	- unsigned max_p = 0;
	- sox_encoding_t max_p_e = 0;
	- unsigned max_p_s = 0;
	- i = 0;
	- while ((e = enc_arg(sox_encoding_t)))
	- do {
	- s = enc_arg(unsigned);
	- if (sox_precision(e, s) >= ft->signal.precision) {
	- if (s < ft->encoding.bits_per_sample) {
	- ft->encoding.encoding = e;
	- ft->encoding.bits_per_sample = s;
	- }
	- }
	- else if (sox_precision(e, s) > max_p) {
	- max_p = sox_precision(e, s);
	- max_p_e = e;
	- max_p_s = s;
	- }
	- } while (s);
	- if (!ft->encoding.encoding) {
	- ft->encoding.encoding = max_p_e;
	- ft->encoding.bits_per_sample = max_p_s;
	- }
	- }
	- ft->signal.precision = min(ft->signal.precision, sox_precision(ft->encoding.encoding, ft->encoding.bits_per_sample));
	- #undef enc_arg
	-}
	-
	-sox_format_handler_t const * sox_write_handler(
	- char const * path,
	- char const * filetype,
	- char const * * filetype1)
	-{
	- sox_format_handler_t const * handler;
	- if (filetype) {
	- if (!(handler = sox_find_format(filetype, sox_false))) {
	- if (filetype1)
	- lsx_fail("no handler for given file type `%s'", filetype);
	- return NULL;
	- }
	- }
	- else if (path) {
	- if (!(filetype = lsx_find_file_extension(path))) {
	- if (filetype1)
	- lsx_fail("can't determine type of `%s'", path);
	- return NULL;
	- }
	- if (!(handler = sox_find_format(filetype, sox_true))) {
	- if (filetype1)
	- lsx_fail("no handler for file extension `%s'", filetype);
	- return NULL;
	- }
	- }
	- else return NULL;
	- if (!handler->startwrite && !handler->write) {
	- if (filetype1)
	- lsx_fail("file type `%s' isn't writeable", filetype);
	- return NULL;
	- }
	- if (filetype1)
	- *filetype1 = filetype;
	- return handler;
	-}
	-
	-static sox_format_t * open_write(
	- char const * path,
	- void * buffer UNUSED,
	- size_t buffer_size UNUSED,
	- char * * buffer_ptr UNUSED,
	- size_t * buffer_size_ptr UNUSED,
	- sox_signalinfo_t const * signal,
	- sox_encodinginfo_t const * encoding,
	- char const * filetype,
	- sox_oob_t const * oob,
	- sox_bool (overwrite_permitted)(const char filename))
	-{
	- sox_format_t * ft = lsx_calloc(sizeof(*ft), 1);
	- sox_format_handler_t const * handler;
	-
	- if (!path \|\| !signal) {
	- lsx_fail("must specify file name and signal parameters to write file");
	- goto error;
	- }
	-
	- if (!(handler = sox_write_handler(path, filetype, &filetype)))
	- goto error;
	-
	- ft->handler = *handler;
	-
	- if (!(ft->handler.flags & SOX_FILE_NOSTDIO)) {
	- if (!strcmp(path, "-")) { /* Use stdout if the filename is "-" */
	- if (sox_globals.stdout_in_use_by) {
	- lsx_fail("`-' (stdout) already in use by `%s'", sox_globals.stdout_in_use_by);
	- goto error;
	- }
	- sox_globals.stdout_in_use_by = "audio output";
	- SET_BINARY_MODE(stdout);
	- ft->fp = stdout;
	- }
	- else {
	- struct stat st;
	- if (!stat(path, &st) && (st.st_mode & S_IFMT) == S_IFREG &&
	- (overwrite_permitted && !overwrite_permitted(path))) {
	- lsx_fail("permission to overwrite `%s' denied", path);
	- goto error;
	- }
	- ft->fp =
	-#ifdef HAVE_FMEMOPEN
	- buffer? fmemopen(buffer, buffer_size, "w+b") :
	- buffer_ptr? open_memstream(buffer_ptr, buffer_size_ptr) :
	-#endif
	- fopen(path, "w+b");
	- if (ft->fp == NULL) {
	- lsx_fail("can't open output file `%s': %s", path, strerror(errno));
	- goto error;
	- }
	- }
	-
	- /* stdout tends to be line-buffered. Override this */
	- /* to be Full Buffering. */
	- if (setvbuf (ft->fp, NULL, _IOFBF, sizeof(char) * sox_globals.bufsiz)) {
	- lsx_fail("Can't set write buffer");
	- goto error;
	- }
	- ft->seekable = is_seekable(ft);
	- }
	-
	- ft->filetype = lsx_strdup(filetype);
	- ft->filename = lsx_strdup(path);
	- ft->mode = 'w';
	- ft->signal = *signal;
	-
	- if (encoding)
	- ft->encoding = *encoding;
	- else sox_init_encodinginfo(&ft->encoding);
	- set_endiannesses(ft);
	-
	- if (oob) {
	- ft->oob = *oob;
	- /* deep copy: */
	- ft->oob.comments = sox_copy_comments(oob->comments);
	- }
	-
	- set_output_format(ft);
	-
	- /* FIXME: doesn't cover the situation where
	- * codec changes audio length due to block alignment (e.g. 8svx, gsm): */
	- if (signal->rate && signal->channels)
	- ft->signal.length = ft->signal.length * ft->signal.rate / signal->rate *
	- ft->signal.channels / signal->channels + .5;
	-
	- if ((ft->handler.flags & SOX_FILE_REWIND) && strcmp(ft->filetype, "sox") && !ft->signal.length && !ft->seekable)
	- lsx_warn("can't seek in output file `%s'; length in file header will be unspecified", ft->filename);
	-
	- ft->priv = lsx_calloc(1, ft->handler.priv_size);
	- /* Read and write starters can change their formats. */
	- if (ft->handler.startwrite && (ft->handler.startwrite)(ft) != SOX_SUCCESS){
	- lsx_fail("can't open output file `%s': %s", ft->filename, ft->sox_errstr);
	- goto error;
	- }
	-
	- if (sox_checkformat(ft) != SOX_SUCCESS) {
	- lsx_fail("bad format for output file `%s': %s", ft->filename, ft->sox_errstr);
	- goto error;
	- }
	-
	- if ((ft->handler.flags & SOX_FILE_DEVICE) && signal) {
	- if (signal->rate && signal->rate != ft->signal.rate)
	- lsx_report("can't set sample rate %g; using %g", signal->rate, ft->signal.rate);
	- if (signal->channels && signal->channels != ft->signal.channels)
	- lsx_report("can't set %u channels; using %u", signal->channels, ft->signal.channels);
	- }
	- return ft;
	-
	-error:
	- if (ft->fp && ft->fp != stdout)
	- xfclose(ft->fp, ft->io_type);
	- free(ft->priv);
	- free(ft->filename);
	- free(ft->filetype);
	- free(ft);
	- return NULL;
	-}
	-
	-sox_format_t * sox_open_write(
	- char const * path,
	- sox_signalinfo_t const * signal,
	- sox_encodinginfo_t const * encoding,
	- char const * filetype,
	- sox_oob_t const * oob,
	- sox_bool (overwrite_permitted)(const char filename))
	-{
	- return open_write(path, NULL, (size_t)0, NULL, NULL, signal, encoding, filetype, oob, overwrite_permitted);
	-}
	-
	-sox_format_t * sox_open_mem_write(
	- void * buffer,
	- size_t buffer_size,
	- sox_signalinfo_t const * signal,
	- sox_encodinginfo_t const * encoding,
	- char const * filetype,
	- sox_oob_t const * oob)
	-{
	- return open_write("", buffer, buffer_size, NULL, NULL, signal, encoding, filetype, oob, NULL);
	-}
	-
	-sox_format_t * sox_open_memstream_write(
	- char * * buffer_ptr,
	- size_t * buffer_size_ptr,
	- sox_signalinfo_t const * signal,
	- sox_encodinginfo_t const * encoding,
	- char const * filetype,
	- sox_oob_t const * oob)
	-{
	- return open_write("", NULL, (size_t)0, buffer_ptr, buffer_size_ptr, signal, encoding, filetype, oob, NULL);
	-}
	-
	-size_t sox_read(sox_format_t * ft, sox_sample_t * buf, size_t len)
	-{
	- size_t actual;
	- if (ft->signal.length != SOX_UNSPEC)
	- len = min(len, ft->signal.length - ft->olength);
	- actual = ft->handler.read? (*ft->handler.read)(ft, buf, len) : 0;
	- actual = actual > len? 0 : actual;
	- ft->olength += actual;
	- return actual;
	-}
	-
	-size_t sox_write(sox_format_t * ft, const sox_sample_t *buf, size_t len)
	-{
	- size_t actual = ft->handler.write? (*ft->handler.write)(ft, buf, len) : 0;
	- ft->olength += actual;
	- return actual;
	-}
	-
	-int sox_close(sox_format_t * ft)
	-{
	- int result = SOX_SUCCESS;
	-
	- if (ft->mode == 'r')
	- result = ft->handler.stopread? (*ft->handler.stopread)(ft) : SOX_SUCCESS;
	- else {
	- if (ft->handler.flags & SOX_FILE_REWIND) {
	- if (ft->olength != ft->signal.length && ft->seekable) {
	- result = lsx_seeki(ft, (off_t)0, 0);
	- if (result == SOX_SUCCESS)
	- result = ft->handler.stopwrite? (*ft->handler.stopwrite)(ft)
	- : ft->handler.startwrite?(*ft->handler.startwrite)(ft) : SOX_SUCCESS;
	- }
	- }
	- else result = ft->handler.stopwrite? (*ft->handler.stopwrite)(ft) : SOX_SUCCESS;
	- }
	-
	- if (ft->fp && ft->fp != stdin && ft->fp != stdout)
	- xfclose(ft->fp, ft->io_type);
	- free(ft->priv);
	- free(ft->filename);
	- free(ft->filetype);
	- sox_delete_comments(&ft->oob.comments);
	-
	- free(ft);
	- return result;
	-}
	-
	-int sox_seek(sox_format_t * ft, uint64_t offset, int whence)
	-{
	- /* FIXME: Implement SOX_SEEK_CUR and SOX_SEEK_END. */
	- if (whence != SOX_SEEK_SET)
	- return SOX_EOF; /* FIXME: return SOX_EINVAL */
	-
	- /* If file is a seekable file and this handler supports seeking,
	- * then invoke handler's function.
	- */
	- if (ft->seekable && ft->handler.seek)
	- return (*ft->handler.seek)(ft, offset);
	- return SOX_EOF; /* FIXME: return SOX_EBADF */
	-}
	-
	-static int strcaseends(char const * str, char const * end)
	-{
	- size_t str_len = strlen(str), end_len = strlen(end);
	- return str_len >= end_len && !strcasecmp(str + str_len - end_len, end);
	-}
	-
	-typedef enum {None, M3u, Pls} playlist_t;
	-
	-static playlist_t playlist_type(char const * filename)
	-{
	- char * x, * p;
	- playlist_t result = None;
	-
	- if (*filename == '\|')
	- return result;
	- if (strcaseends(filename, ".m3u"))
	- return M3u;
	- if (strcaseends(filename, ".pls"))
	- return Pls;
	- x = lsx_strdup(filename);
	- p = strrchr(x, '?');
	- if (p) {
	- *p = '\0';
	- result = playlist_type(x);
	- }
	- free(x);
	- return result;
	-}
	-
	-sox_bool sox_is_playlist(char const * filename)
	-{
	- return playlist_type(filename) != None;
	-}
	-
	-int sox_parse_playlist(sox_playlist_callback_t callback, void * p, char const * const listname)
	-{
	- sox_bool const is_pls = playlist_type(listname) == Pls;
	- int const comment_char = "#;"[is_pls];
	- size_t text_length = 100;
	- char * text = lsx_malloc(text_length + 1);
	- char * dirname = lsx_strdup(listname);
	- char * slash_pos = LAST_SLASH(dirname);
	- lsx_io_type io_type;
	- FILE * file = xfopen(listname, "r", &io_type);
	- char * filename;
	- int c, result = SOX_SUCCESS;
	-
	- if (!slash_pos)
	- *dirname = '\0';
	- else
	- *slash_pos = '\0';
	-
	- if (file == NULL) {
	- lsx_fail("Can't open playlist file `%s': %s", listname, strerror(errno));
	- result = SOX_EOF;
	- }
	- else {
	- do {
	- size_t i = 0;
	- size_t begin = 0, end = 0;
	-
	- while (isspace(c = getc(file)));
	- if (c == EOF)
	- break;
	- while (c != EOF && !strchr("\r\n", c) && c != comment_char) {
	- if (i == text_length)
	- text = lsx_realloc(text, (text_length <<= 1) + 1);
	- text[i++] = c;
	- if (!strchr(" \t\f", c))
	- end = i;
	- c = getc(file);
	- }
	- if (ferror(file))
	- break;
	- if (c == comment_char) {
	- do c = getc(file);
	- while (c != EOF && !strchr("\r\n", c));
	- if (ferror(file))
	- break;
	- }
	- text[end] = '\0';
	- if (is_pls) {
	- char dummy;
	- if (!strncasecmp(text, "file", (size_t) 4) && sscanf(text + 4, "%*u=%c", &dummy) == 1)
	- begin = strchr(text + 5, '=') - text + 1;
	- else end = 0;
	- }
	- if (begin != end) {
	- char const * id = text + begin;
	-
	- if (!dirname[0] \|\| is_url(id) \|\| IS_ABSOLUTE(id))
	- filename = lsx_strdup(id);
	- else {
	- filename = lsx_malloc(strlen(dirname) + strlen(id) + 2);
	- sprintf(filename, "%s/%s", dirname, id);
	- }
	- if (sox_is_playlist(filename))
	- sox_parse_playlist(callback, p, filename);
	- else if (callback(p, filename))
	- c = EOF;
	- free(filename);
	- }
	- } while (c != EOF);
	-
	- if (ferror(file)) {
	- lsx_fail("error reading playlist file `%s': %s", listname, strerror(errno));
	- result = SOX_EOF;
	- }
	- if (xfclose(file, io_type) && io_type == lsx_io_url) {
	- lsx_fail("error reading playlist file URL `%s'", listname);
	- result = SOX_EOF;
	- }
	- }
	- free(text);
	- free(dirname);
	- return result;
	-}
	-
	-/----------------------------- Formats library ------------------------------/
	-
	-enum {
	- #define FORMAT(f) f,
	- #include "formats.h"
	- #undef FORMAT
	- NSTATIC_FORMATS
	-};
	-
	-static sox_bool plugins_initted = sox_false;
	-
	-#ifdef HAVE_LIBLTDL /* Plugin format handlers */
	- #define MAX_DYNAMIC_FORMATS 42
	- #define MAX_FORMATS (NSTATIC_FORMATS + MAX_DYNAMIC_FORMATS)
	- #define MAX_FORMATS_1 (MAX_FORMATS + 1)
	- #define MAX_NAME_LEN (size_t)1024 /* FIXME: Use vasprintf */
	-
	- static unsigned nformats = NSTATIC_FORMATS;
	-
	- static int init_format(const char *file, lt_ptr data)
	- {
	- lt_dlhandle lth = lt_dlopenext(file);
	- const char *end = file + strlen(file);
	- const char prefix[] = "sox_fmt_";
	- char fnname[MAX_NAME_LEN];
	- char *start = strstr(file, prefix);
	-
	- (void)data;
	- if (start && (start += sizeof(prefix) - 1) < end) {
	- int ret = snprintf(fnname, MAX_NAME_LEN,
	- "lsx_%.*s_format_fn", (int)(end - start), start);
	- if (ret > 0 && ret < (int)MAX_NAME_LEN) {
	- union {sox_format_fn_t fn; lt_ptr ptr;} ltptr;
	- ltptr.ptr = lt_dlsym(lth, fnname);
	- lsx_debug("opening format plugin `%s': library %p, entry point %p\n",
	- fnname, (void *)lth, ltptr.ptr);
	- if (ltptr.fn && (ltptr.fn()->sox_lib_version_code & ~255) ==
	- (SOX_LIB_VERSION_CODE & ~255)) { /* compatible version check */
	- if (nformats == MAX_FORMATS) {
	- lsx_warn("too many plugin formats");
	- return -1;
	- }
	- sox_format_fns[nformats++].fn = ltptr.fn;
	- }
	- }
	- }
	- return 0;
	- }
	-#else
	- #define MAX_FORMATS_1
	-#endif
	-
	-#define FORMAT(f) extern sox_format_handler_t const * lsx_##f##_format_fn(void);
	-#include "formats.h"
	-#undef FORMAT
	-
	-sox_format_tab_t sox_format_fns[MAX_FORMATS_1] = {
	- #define FORMAT(f) {NULL, lsx_##f##_format_fn},
	- #include "formats.h"
	- #undef FORMAT
	- {NULL, NULL}
	-};
	-
	-int sox_format_init(void) /* Find & load format handlers. */
	-{
	- if (plugins_initted)
	- return SOX_EOF;
	-
	- plugins_initted = sox_true;
	-#ifdef HAVE_LIBLTDL
	- {
	- int error = lt_dlinit();
	- if (error) {
	- lsx_fail("lt_dlinit failed with %d error(s): %s", error, lt_dlerror());
	- return SOX_EOF;
	- }
	- lt_dlforeachfile(PKGLIBDIR, init_format, NULL);
	- }
	-#endif
	- return SOX_SUCCESS;
	-}
	-
	-void sox_format_quit(void) /* Cleanup things. */
	-{
	-#ifdef HAVE_LIBLTDL
	- int ret;
	- if (plugins_initted && (ret = lt_dlexit()) != 0)
	- lsx_fail("lt_dlexit failed with %d error(s): %s", ret, lt_dlerror());
	-#endif
	-}
	-
	-/* Find a named format in the formats library.
	- *
	- * (c) 2005-9 Chris Bagwell and SoX contributors.
	- * Copyright 1991 Lance Norskog And Sundry Contributors.
	- *
	- * This source code is freely redistributable and may be used for any
	- * purpose. This copyright notice must be maintained.
	- *
	- * Lance Norskog, Sundry Contributors, Chris Bagwell and SoX contributors
	- * are not responsible for the consequences of using this software.
	- */
	-sox_format_handler_t const * sox_find_format(char const * name0, sox_bool no_dev)
	-{
	- size_t f, n;
	-
	- if (name0) {
	- char * name = lsx_strdup(name0);
	- char * pos = strchr(name, ';');
	- if (pos) /* Use only the 1st clause of a mime string */
	- *pos = '\0';
	- for (f = 0; sox_format_fns[f].fn; ++f) {
	- sox_format_handler_t const * handler = sox_format_fns[f].fn();
	-
	- if (!(no_dev && (handler->flags & SOX_FILE_DEVICE)))
	- for (n = 0; handler->names[n]; ++n)
	- if (!strcasecmp(handler->names[n], name)) {
	- free(name);
	- return handler; /* Found it. */
	- }
	- }
	- free(name);
	- }
	- if (sox_format_init() == SOX_SUCCESS) /* Try again with plugins */
	- return sox_find_format(name0, no_dev);
	- return NULL;
	-}
	diff --git a/util/sox/src/formats.h b/util/sox/src/formats.h
	deleted file mode 100644
	index 78149ca4..00000000
	--- a/util/sox/src/formats.h
	+++ /dev/null
	@@ -1,131 +0,0 @@
	-/* libSoX static formats list (c) 2006-9 Chris Bagwell and SoX contributors
	- *
	- * This library is free software; you can redistribute it and/or modify it
	- * under the terms of the GNU Lesser General Public License as published by
	- * the Free Software Foundation; either version 2.1 of the License, or (at
	- * your option) any later version.
	- *
	- * This library is distributed in the hope that it will be useful, but
	- * WITHOUT ANY WARRANTY; without even the implied warranty of
	- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
	- * General Public License for more details.
	- *
	- * You should have received a copy of the GNU Lesser General Public License
	- * along with this library; if not, write to the Free Software Foundation,
	- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	- */
	-
	-/-------------------------- Static format handlers --------------------------/
	-
	- FORMAT(aifc)
	- FORMAT(aiff)
	- FORMAT(al)
	- FORMAT(au)
	- FORMAT(avr)
	- FORMAT(cdr)
	- FORMAT(cvsd)
	- FORMAT(cvu)
	- FORMAT(dat)
	- FORMAT(dvms)
	- FORMAT(f4)
	- FORMAT(f8)
	- FORMAT(gsrt)
	- FORMAT(hcom)
	- FORMAT(htk)
	- FORMAT(ima)
	- FORMAT(la)
	- FORMAT(lu)
	- FORMAT(maud)
	- FORMAT(nul)
	- FORMAT(prc)
	- FORMAT(raw)
	- FORMAT(s1)
	- FORMAT(s2)
	- FORMAT(s3)
	- FORMAT(s4)
	- FORMAT(sf)
	- FORMAT(smp)
	- FORMAT(sounder)
	- FORMAT(soundtool)
	- FORMAT(sox)
	- FORMAT(sphere)
	- FORMAT(svx)
	- FORMAT(txw)
	- FORMAT(u1)
	- FORMAT(u2)
	- FORMAT(u3)
	- FORMAT(u4)
	- FORMAT(ul)
	- FORMAT(voc)
	- FORMAT(vox)
	- FORMAT(wav)
	- FORMAT(wve)
	- FORMAT(xa)
	-
	-/--------------------- Plugin or static format handlers ---------------------/
	-
	-#if defined HAVE_ALSA && (defined STATIC_ALSA \|\| !defined HAVE_LIBLTDL)
	- FORMAT(alsa)
	-#endif
	-#if defined HAVE_AMRNB && (defined STATIC_AMRNB \|\| !defined HAVE_LIBLTDL)
	- FORMAT(amr_nb)
	-#endif
	-#if defined HAVE_AMRWB && (defined STATIC_AMRWB \|\| !defined HAVE_LIBLTDL)
	- FORMAT(amr_wb)
	-#endif
	-#if defined HAVE_AO && (defined STATIC_AO \|\| !defined HAVE_LIBLTDL)
	- FORMAT(ao)
	-#endif
	-#if defined HAVE_COREAUDIO && (defined STATIC_COREAUDIO \|\| !defined HAVE_LIBLTDL)
	- FORMAT(coreaudio)
	-#endif
	-#if defined HAVE_FFMPEG && (defined STATIC_FFMPEG \|\| !defined HAVE_LIBLTDL)
	- FORMAT(ffmpeg)
	-#endif
	-#if defined HAVE_FLAC && (defined STATIC_FLAC \|\| !defined HAVE_LIBLTDL)
	- FORMAT(flac)
	-#endif
	-#if defined HAVE_GSM && (defined STATIC_GSM \|\| !defined HAVE_LIBLTDL)
	- FORMAT(gsm)
	-#endif
	-#if defined HAVE_LPC10 && (defined STATIC_LPC10 \|\| !defined HAVE_LIBLTDL)
	- FORMAT(lpc10)
	-#endif
	-#if defined HAVE_MP3 && (defined STATIC_MP3 \|\| !defined HAVE_LIBLTDL)
	- FORMAT(mp3)
	-#endif
	-#if defined HAVE_OSS && (defined STATIC_OSS \|\| !defined HAVE_LIBLTDL)
	- FORMAT(oss)
	-#endif
	-#if defined HAVE_PULSEAUDIO && (defined STATIC_PULSEAUDIO \|\| !defined HAVE_LIBLTDL)
	- FORMAT(pulseaudio)
	-#endif
	-#if defined HAVE_WAVEAUDIO && (defined STATIC_WAVEAUDIO \|\| !defined HAVE_LIBLTDL)
	- FORMAT(waveaudio)
	-#endif
	-#if defined HAVE_SNDIO && (defined STATIC_SNDIO \|\| !defined HAVE_LIBLTDL)
	- FORMAT(sndio)
	-#endif
	-#if defined HAVE_SNDFILE && (defined STATIC_SNDFILE \|\| !defined HAVE_LIBLTDL)
	- FORMAT(sndfile)
	- #if defined HAVE_SNDFILE_1_0_12
	- FORMAT(caf)
	- #endif
	- FORMAT(fap)
	- FORMAT(mat4)
	- FORMAT(mat5)
	- FORMAT(paf)
	- FORMAT(pvf)
	- FORMAT(sd2)
	- FORMAT(w64)
	- FORMAT(xi)
	-#endif
	-#if defined HAVE_SUN_AUDIO && (defined STATIC_SUN_AUDIO \|\| !defined HAVE_LIBLTDL)
	- FORMAT(sunau)
	-#endif
	-#if defined HAVE_OGG_VORBIS && (defined STATIC_OGG_VORBIS \|\| !defined HAVE_LIBLTDL)
	- FORMAT(vorbis)
	-#endif
	-#if defined HAVE_WAVPACK && (defined STATIC_WAVPACK \|\| !defined HAVE_LIBLTDL)
	- FORMAT(wavpack)
	-#endif
	diff --git a/util/sox/src/sox.h b/util/sox/src/sox.h
	deleted file mode 100644
	index 4e7b1647..00000000
	--- a/util/sox/src/sox.h
	+++ /dev/null
	@@ -1,614 +0,0 @@
	-/* libSoX Library Public Interface
	- *
	- * Copyright 1999-2009 Chris Bagwell and SoX Contributors.
	- *
	- * This source code is freely redistributable and may be used for
	- * any purpose. This copyright notice must be maintained.
	- * Chris Bagwell And SoX Contributors are not responsible for
	- * the consequences of using this software.
	- */
	-
	-#ifndef SOX_H
	-#define SOX_H
	-
	-#include <limits.h>
	-#include <stdarg.h>
	-#include <stddef.h> /* Ensure NULL etc. are available throughout SoX */
	-#include <stdio.h>
	-#include <stdlib.h>
	-#include "soxstdint.h"
	-
	-#if defined(__cplusplus)
	-extern "C" {
	-#endif
	-
	-/* Avoid warnings about unused parameters. */
	-#ifdef __GNUC__
	-#define UNUSED __attribute__ ((unused))
	-#define PRINTF __attribute__ ((format (printf, 1, 2)))
	-#else
	-#define UNUSED
	-#define PRINTF
	-#endif
	-#ifdef _MSC_VER
	-#define LSX_UNUSED_VAR(x) ((void)(x))
	-#else
	-#define LSX_UNUSED_VAR(x) ((void)0)
	-#endif
	-
	-/* The following is the API version of libSoX. It is not meant
	- * to follow the version number of SoX but it has historically.
	- * Please do not count on these numbers being in sync.
	- */
	-#define SOX_LIB_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
	-#define SOX_LIB_VERSION_CODE SOX_LIB_VERSION(14, 3, 2)
	-
	-const char sox_version(void); / Returns version number */
	-
	-#define SOX_SUCCESS 0
	-#define SOX_EOF (-1) /* End Of File or other error */
	-
	-enum { /* libSoX specific error codes. The rest directly map from errno. */
	- SOX_EHDR = 2000, /* Invalid Audio Header */
	- SOX_EFMT, /* Unsupported data format */
	- SOX_ENOMEM, /* Can't alloc memory */
	- SOX_EPERM, /* Operation not permitted */
	- SOX_ENOTSUP, /* Operation not supported */
	- SOX_EINVAL /* Invalid argument */
	-};
	-
	-/* Boolean type, assignment (but not necessarily binary) compatible with
	- * C++ bool */
	-typedef enum {sox_false, sox_true} sox_bool;
	-
	-typedef int32_t int24_t; /* But beware of the extra byte. */
	-typedef uint32_t uint24_t; /* ditto */
	-
	-#define SOX_INT_MIN(bits) (1 <<((bits)-1))
	-#define SOX_INT_MAX(bits) (((unsigned)-1)>>(33-(bits)))
	-#define SOX_UINT_MAX(bits) (SOX_INT_MIN(bits)\|SOX_INT_MAX(bits))
	-
	-#define SOX_INT8_MAX SOX_INT_MAX(8)
	-#define SOX_INT16_MAX SOX_INT_MAX(16)
	-#define SOX_INT24_MAX SOX_INT_MAX(24)
	-#define SOX_INT32_MAX SOX_INT_MAX(32)
	-
	-typedef int32_t sox_sample_t;
	-
	-/* Minimum and maximum values a sample can hold. */
	-#define SOX_SAMPLE_PRECISION 32
	-#define SOX_SAMPLE_MAX (sox_sample_t)SOX_INT_MAX(32)
	-#define SOX_SAMPLE_MIN (sox_sample_t)SOX_INT_MIN(32)
	-
	-
	-
	-/* Conversions: Linear PCM <--> sox_sample_t
	- *
	- * I/O Input sox_sample_t Clips? Input sox_sample_t Clips?
	- * Format Minimum Minimum I O Maximum Maximum I O
	- * ------ --------- ------------ -- -- -------- ------------ -- --
	- * Float -inf -1 y n inf 1 - 5e-10 y n
	- * Int8 -128 -128 n n 127 127.9999999 n y
	- * Int16 -32768 -32768 n n 32767 32767.99998 n y
	- * Int24 -8388608 -8388608 n n 8388607 8388607.996 n y
	- * Int32 -2147483648 -2147483648 n n 2147483647 2147483647 n n
	- *
	- * Conversions are as accurate as possible (with rounding).
	- *
	- * Rounding: halves toward +inf, all others to nearest integer.
	- *
	- * Clips? shows whether on not there is the possibility of a conversion
	- * clipping to the minimum or maximum value when inputing from or outputing
	- * to a given type.
	- *
	- * Unsigned integers are converted to and from signed integers by flipping
	- * the upper-most bit then treating them as signed integers.
	- */
	-
	-#define SOX_SAMPLE_LOCALS sox_sample_t sox_macro_temp_sample UNUSED; \
	- double sox_macro_temp_double UNUSED
	-
	-#define SOX_SAMPLE_NEG SOX_INT_MIN(32)
	-#define SOX_SAMPLE_TO_UNSIGNED(bits,d,clips) \
	- (uint##bits##_t)(SOX_SAMPLE_TO_SIGNED(bits,d,clips)^SOX_INT_MIN(bits))
	-#define SOX_SAMPLE_TO_SIGNED(bits,d,clips) \
	- (int##bits##_t)(LSX_UNUSED_VAR(sox_macro_temp_double),sox_macro_temp_sample=(d),sox_macro_temp_sample>SOX_SAMPLE_MAX-(1<<(31-bits))?++(clips),SOX_INT_MAX(bits):((uint32_t)(sox_macro_temp_sample+(1<<(31-bits))))>>(32-bits))
	-#define SOX_SIGNED_TO_SAMPLE(bits,d)((sox_sample_t)(d)<<(32-bits))
	-#define SOX_UNSIGNED_TO_SAMPLE(bits,d)(SOX_SIGNED_TO_SAMPLE(bits,d)^SOX_SAMPLE_NEG)
	-
	-#define SOX_UNSIGNED_8BIT_TO_SAMPLE(d,clips) SOX_UNSIGNED_TO_SAMPLE(8,d)
	-#define SOX_SIGNED_8BIT_TO_SAMPLE(d,clips) SOX_SIGNED_TO_SAMPLE(8,d)
	-#define SOX_UNSIGNED_16BIT_TO_SAMPLE(d,clips) SOX_UNSIGNED_TO_SAMPLE(16,d)
	-#define SOX_SIGNED_16BIT_TO_SAMPLE(d,clips) SOX_SIGNED_TO_SAMPLE(16,d)
	-#define SOX_UNSIGNED_24BIT_TO_SAMPLE(d,clips) SOX_UNSIGNED_TO_SAMPLE(24,d)
	-#define SOX_SIGNED_24BIT_TO_SAMPLE(d,clips) SOX_SIGNED_TO_SAMPLE(24,d)
	-#define SOX_UNSIGNED_32BIT_TO_SAMPLE(d,clips) ((sox_sample_t)(d)^SOX_SAMPLE_NEG)
	-#define SOX_SIGNED_32BIT_TO_SAMPLE(d,clips) (sox_sample_t)(d)
	-#define SOX_FLOAT_32BIT_TO_SAMPLE(d,clips) (sox_sample_t)(LSX_UNUSED_VAR(sox_macro_temp_sample),sox_macro_temp_double=(d)*(SOX_SAMPLE_MAX+1.),sox_macro_temp_double<SOX_SAMPLE_MIN?++(clips),SOX_SAMPLE_MIN:sox_macro_temp_double>=SOX_SAMPLE_MAX+1.?sox_macro_temp_double>SOX_SAMPLE_MAX+1.?++(clips),SOX_SAMPLE_MAX:SOX_SAMPLE_MAX:sox_macro_temp_double)
	-#define SOX_FLOAT_64BIT_TO_SAMPLE(d,clips) (sox_sample_t)(LSX_UNUSED_VAR(sox_macro_temp_sample),sox_macro_temp_double=(d)*(SOX_SAMPLE_MAX+1.),sox_macro_temp_double<0?sox_macro_temp_double<=SOX_SAMPLE_MIN-.5?++(clips),SOX_SAMPLE_MIN:sox_macro_temp_double-.5:sox_macro_temp_double>=SOX_SAMPLE_MAX+.5?sox_macro_temp_double>SOX_SAMPLE_MAX+1.?++(clips),SOX_SAMPLE_MAX:SOX_SAMPLE_MAX:sox_macro_temp_double+.5)
	-#define SOX_SAMPLE_TO_UNSIGNED_8BIT(d,clips) SOX_SAMPLE_TO_UNSIGNED(8,d,clips)
	-#define SOX_SAMPLE_TO_SIGNED_8BIT(d,clips) SOX_SAMPLE_TO_SIGNED(8,d,clips)
	-#define SOX_SAMPLE_TO_UNSIGNED_16BIT(d,clips) SOX_SAMPLE_TO_UNSIGNED(16,d,clips)
	-#define SOX_SAMPLE_TO_SIGNED_16BIT(d,clips) SOX_SAMPLE_TO_SIGNED(16,d,clips)
	-#define SOX_SAMPLE_TO_UNSIGNED_24BIT(d,clips) SOX_SAMPLE_TO_UNSIGNED(24,d,clips)
	-#define SOX_SAMPLE_TO_SIGNED_24BIT(d,clips) SOX_SAMPLE_TO_SIGNED(24,d,clips)
	-#define SOX_SAMPLE_TO_UNSIGNED_32BIT(d,clips) (uint32_t)((d)^SOX_SAMPLE_NEG)
	-#define SOX_SAMPLE_TO_SIGNED_32BIT(d,clips) (int32_t)(d)
	-#define SOX_SAMPLE_TO_FLOAT_32BIT(d,clips) (LSX_UNUSED_VAR(sox_macro_temp_double),sox_macro_temp_sample=(d),sox_macro_temp_sample>SOX_SAMPLE_MAX-128?++(clips),1:(((sox_macro_temp_sample+128)&~255)*(1./(SOX_SAMPLE_MAX+1.))))
	-#define SOX_SAMPLE_TO_FLOAT_64BIT(d,clips) ((d)*(1./(SOX_SAMPLE_MAX+1.)))
	-
	-
	-
	-/* MACRO to clip a data type that is greater then sox_sample_t to
	- * sox_sample_t's limits and increment a counter if clipping occurs..
	- */
	-#define SOX_SAMPLE_CLIP_COUNT(samp, clips) \
	- do { \
	- if (samp > SOX_SAMPLE_MAX) \
	- { samp = SOX_SAMPLE_MAX; clips++; } \
	- else if (samp < SOX_SAMPLE_MIN) \
	- { samp = SOX_SAMPLE_MIN; clips++; } \
	- } while (0)
	-
	-/* Rvalue MACRO to round and clip a double to a sox_sample_t,
	- * and increment a counter if clipping occurs.
	- */
	-#define SOX_ROUND_CLIP_COUNT(d, clips) \
	- ((d) < 0? (d) <= SOX_SAMPLE_MIN - 0.5? ++(clips), SOX_SAMPLE_MIN: (d) - 0.5 \
	- : (d) >= SOX_SAMPLE_MAX + 0.5? ++(clips), SOX_SAMPLE_MAX: (d) + 0.5)
	-
	-/* Rvalue MACRO to clip an integer to a given number of bits
	- * and increment a counter if clipping occurs.
	- */
	-#define SOX_INTEGER_CLIP_COUNT(bits,i,clips) ( \
	- (i) >(1 << ((bits)-1))- 1? ++(clips),(1 << ((bits)-1))- 1 : \
	- (i) <-1 << ((bits)-1) ? ++(clips),-1 << ((bits)-1) : (i))
	-#define SOX_16BIT_CLIP_COUNT(i,clips) SOX_INTEGER_CLIP_COUNT(16,i,clips)
	-#define SOX_24BIT_CLIP_COUNT(i,clips) SOX_INTEGER_CLIP_COUNT(24,i,clips)
	-
	-
	-
	-#define SOX_SIZE_MAX ((size_t)(-1))
	-
	-typedef void (sox_output_message_handler_t)(unsigned level, const char filename, const char *fmt, va_list ap);
	-
	-typedef struct { /* Global parameters (for effects & formats) */
	-/* public: */
	- unsigned verbosity;
	- sox_output_message_handler_t output_message_handler;
	- sox_bool repeatable;
	-/* The following is used at times in libSoX when alloc()ing buffers
	- * to perform file I/O. It can be useful to pass in similar sized
	- * data to get max performance.
	- */
	- size_t bufsiz, input_bufsiz;
	- int32_t ranqd1; /* Can be used to re-seed libSoX's PRNG */
	-
	-/* private: */
	- char const * stdin_in_use_by;
	- char const * stdout_in_use_by;
	- char const * subsystem;
	- char * tmp_path;
	- sox_bool use_magic;
	-} sox_globals_t;
	-extern sox_globals_t sox_globals;
	-
	-typedef double sox_rate_t;
	-
	-#define SOX_UNSPEC 0
	-#define SOX_IGNORE_LENGTH (size_t)(-1)
	-typedef struct { /* Signal parameters; SOX_UNSPEC if unknown */
	- sox_rate_t rate; /* sampling rate */
	- unsigned channels; /* number of sound channels */
	- unsigned precision; /* in bits */
	- size_t length; /* samples * chans in file */
	- double * mult; /* Effects headroom multiplier; may be null */
	-} sox_signalinfo_t;
	-
	-typedef enum {
	- SOX_ENCODING_UNKNOWN ,
	-
	- SOX_ENCODING_SIGN2 , /* signed linear 2's comp: Mac */
	- SOX_ENCODING_UNSIGNED , /* unsigned linear: Sound Blaster */
	- SOX_ENCODING_FLOAT , /* floating point (binary format) */
	- SOX_ENCODING_FLOAT_TEXT, /* floating point (text format) */
	- SOX_ENCODING_FLAC , /* FLAC compression */
	- SOX_ENCODING_HCOM , /* */
	- SOX_ENCODING_WAVPACK , /* */
	- SOX_ENCODING_WAVPACKF , /* */
	- SOX_ENCODING_ULAW , /* u-law signed logs: US telephony, SPARC */
	- SOX_ENCODING_ALAW , /* A-law signed logs: non-US telephony, Psion */
	- SOX_ENCODING_G721 , /* G.721 4-bit ADPCM */
	- SOX_ENCODING_G723 , /* G.723 3 or 5 bit ADPCM */
	- SOX_ENCODING_CL_ADPCM , /* Creative Labs 8 --> 2,3,4 bit Compressed PCM */
	- SOX_ENCODING_CL_ADPCM16, /* Creative Labs 16 --> 4 bit Compressed PCM */
	- SOX_ENCODING_MS_ADPCM , /* Microsoft Compressed PCM */
	- SOX_ENCODING_IMA_ADPCM , /* IMA Compressed PCM */
	- SOX_ENCODING_OKI_ADPCM , /* Dialogic/OKI Compressed PCM */
	- SOX_ENCODING_DPCM , /* */
	- SOX_ENCODING_DWVW , /* */
	- SOX_ENCODING_DWVWN , /* */
	- SOX_ENCODING_GSM , /* GSM 6.10 33byte frame lossy compression */
	- SOX_ENCODING_MP3 , /* MP3 compression */
	- SOX_ENCODING_VORBIS , /* Vorbis compression */
	- SOX_ENCODING_AMR_WB , /* AMR-WB compression */
	- SOX_ENCODING_AMR_NB , /* AMR-NB compression */
	- SOX_ENCODING_CVSD , /* */
	- SOX_ENCODING_LPC10 , /* */
	-
	- SOX_ENCODINGS /* End of list marker */
	-} sox_encoding_t;
	-
	-typedef struct {
	- unsigned flags;
	- #define SOX_LOSSY1 1 /* encode, decode, encode, decode: lossy once */
	- #define SOX_LOSSY2 2 /* encode, decode, encode, decode: lossy twice */
	-
	- char const * name;
	- char const * desc;
	-} sox_encodings_info_t;
	-
	-extern sox_encodings_info_t const sox_encodings_info[];
	-
	-typedef enum {SOX_OPTION_NO, SOX_OPTION_YES, SOX_OPTION_DEFAULT} sox_option_t;
	-
	-typedef struct { /* Encoding parameters */
	- sox_encoding_t encoding; /* format of sample numbers */
	- unsigned bits_per_sample; /* 0 if unknown or variable; uncompressed value if lossless; compressed value if lossy */
	- double compression; /* compression factor (where applicable) */
	-
	- /* If these 3 variables are set to DEFAULT, then, during
	- * sox_open_read or sox_open_write, libSoX will set them to either
	- * NO or YES according to the machine or format default. */
	- sox_option_t reverse_bytes; /* endiannesses... */
	- sox_option_t reverse_nibbles;
	- sox_option_t reverse_bits;
	-
	- sox_bool opposite_endian;
	-} sox_encodinginfo_t;
	-
	-void sox_init_encodinginfo(sox_encodinginfo_t * e);
	-unsigned sox_precision(sox_encoding_t encoding, unsigned pcm_size);
	-
	-/* Defaults for common hardware */
	-#define SOX_DEFAULT_CHANNELS 2
	-#define SOX_DEFAULT_RATE 48000
	-#define SOX_DEFAULT_PRECISION 16
	-#define SOX_DEFAULT_ENCODING SOX_ENCODING_SIGN2
	-
	-/* Loop parameters */
	-
	-typedef struct {
	- size_t start; /* first sample */
	- size_t length; /* length */
	- unsigned int count; /* number of repeats, 0=forever */
	- unsigned char type; /* 0=no, 1=forward, 2=forward/back */
	-} sox_loopinfo_t;
	-
	-/* Instrument parameters */
	-
	-/* vague attempt at generic information for sampler-specific info */
	-
	-typedef struct {
	- int8_t MIDInote; /* for unity pitch playback */
	- int8_t MIDIlow, MIDIhi;/* MIDI pitch-bend range */
	- char loopmode; /* semantics of loop data */
	- unsigned nloops; /* number of active loops (max SOX_MAX_NLOOPS) */
	-} sox_instrinfo_t;
	-
	-/* Loop modes, upper 4 bits mask the loop blass, lower 4 bits describe */
	-/* the loop behaviour, ie. single shot, bidirectional etc. */
	-#define SOX_LOOP_NONE 0
	-#define SOX_LOOP_8 32 /* 8 loops: don't know ?? */
	-#define SOX_LOOP_SUSTAIN_DECAY 64 /* AIFF style: one sustain & one decay loop */
	-
	-/*
	- * File buffer info. Holds info so that data can be read in blocks.
	- */
	-
	-typedef struct {
	- char buf; / Pointer to data buffer */
	- size_t size; /* Size of buffer */
	- size_t count; /* Count read in to buffer */
	- size_t pos; /* Position in buffer */
	-} sox_fileinfo_t;
	-
	-
	-/*
	- * Handler structure for each format.
	- */
	-
	-typedef struct sox_format sox_format_t;
	-
	-typedef struct {
	- unsigned sox_lib_version_code; /* Checked on load; must be 1st in struct*/
	- char const * description;
	- char const * const * names;
	- unsigned int flags;
	- int (startread)(sox_format_t ft);
	- size_t (read)(sox_format_t ft, sox_sample_t *buf, size_t len);
	- int (stopread)(sox_format_t ft);
	- int (startwrite)(sox_format_t ft);
	- size_t (write)(sox_format_t ft, const sox_sample_t *buf, size_t len);
	- int (stopwrite)(sox_format_t ft);
	- int (seek)(sox_format_t ft, uint64_t offset);
	- unsigned const * write_formats;
	- sox_rate_t const * write_rates;
	- size_t priv_size;
	-} sox_format_handler_t;
	-
	-/*
	- * Format information for input and output files.
	- */
	-
	-typedef char * * sox_comments_t;
	-
	-size_t sox_num_comments(sox_comments_t comments);
	-void sox_append_comment(sox_comments_t * comments, char const * comment);
	-void sox_append_comments(sox_comments_t * comments, char const * comment);
	-sox_comments_t sox_copy_comments(sox_comments_t comments);
	-void sox_delete_comments(sox_comments_t * comments);
	-char const * sox_find_comment(sox_comments_t comments, char const * id);
	-
	-#define SOX_MAX_NLOOPS 8
	-
	-typedef struct {
	- /* Decoded: */
	- sox_comments_t comments; /* Comment strings */
	- sox_instrinfo_t instr; /* Instrument specification */
	- sox_loopinfo_t loops[SOX_MAX_NLOOPS]; /* Looping specification */
	-
	- /* TBD: Non-decoded chunks, etc: */
	-} sox_oob_t; /* Out Of Band data */
	-
	-typedef enum {lsx_io_file, lsx_io_pipe, lsx_io_url} lsx_io_type;
	-
	-struct sox_format {
	- char * filename; /* File name */
	- sox_signalinfo_t signal; /* Signal specifications */
	- sox_encodinginfo_t encoding; /* Encoding specifications */
	- char * filetype; /* Type of file */
	- sox_oob_t oob; /* Out Of Band data */
	- sox_bool seekable; /* Can seek on this file */
	- char mode; /* Read or write mode ('r' or 'w') */
	- size_t olength; /* Samples * chans written to file */
	- size_t clips; /* Incremented if clipping occurs */
	- int sox_errno; /* Failure error code */
	- char sox_errstr[256]; /* Failure error text */
	- FILE * fp; /* File stream pointer */
	- lsx_io_type io_type;
	- long tell_off;
	- long data_start;
	- sox_format_handler_t handler; /* Format handler for this file */
	- void * priv; /* Format handler's private data area */
	-};
	-
	-/* File flags field */
	-#define SOX_FILE_NOSTDIO 0x0001 /* Does not use stdio routines */
	-#define SOX_FILE_DEVICE 0x0002 /* File is an audio device */
	-#define SOX_FILE_PHONY 0x0004 /* Phony file/device */
	-#define SOX_FILE_REWIND 0x0008 /* File should be rewound to write header */
	-#define SOX_FILE_BIT_REV 0x0010 /* Is file bit-reversed? */
	-#define SOX_FILE_NIB_REV 0x0020 /* Is file nibble-reversed? */
	-#define SOX_FILE_ENDIAN 0x0040 /* Is file format endian? */
	-#define SOX_FILE_ENDBIG 0x0080 /* If so, is it big endian? */
	-#define SOX_FILE_MONO 0x0100 /* Do channel restrictions allow mono? */
	-#define SOX_FILE_STEREO 0x0200 /* Do channel restrictions allow stereo? */
	-#define SOX_FILE_QUAD 0x0400 /* Do channel restrictions allow quad? */
	-
	-#define SOX_FILE_CHANS (SOX_FILE_MONO \| SOX_FILE_STEREO \| SOX_FILE_QUAD)
	-#define SOX_FILE_LIT_END (SOX_FILE_ENDIAN \| 0)
	-#define SOX_FILE_BIG_END (SOX_FILE_ENDIAN \| SOX_FILE_ENDBIG)
	-
	-int sox_format_init(void);
	-void sox_format_quit(void);
	-
	-int sox_init(void);
	-int sox_quit(void);
	-
	-typedef const sox_format_handler_t (sox_format_fn_t)(void);
	-
	-typedef struct {
	- char *name;
	- sox_format_fn_t fn;
	-} sox_format_tab_t;
	-
	-extern sox_format_tab_t sox_format_fns[];
	-
	-sox_format_t * sox_open_read(
	- char const * path,
	- sox_signalinfo_t const * signal,
	- sox_encodinginfo_t const * encoding,
	- char const * filetype);
	-sox_format_t * sox_open_mem_read(
	- void * buffer,
	- size_t buffer_size,
	- sox_signalinfo_t const * signal,
	- sox_encodinginfo_t const * encoding,
	- char const * filetype);
	-sox_bool sox_format_supports_encoding(
	- char const * path,
	- char const * filetype,
	- sox_encodinginfo_t const * encoding);
	-sox_format_handler_t const * sox_write_handler(
	- char const * path,
	- char const * filetype,
	- char const * * filetype1);
	-sox_format_t * sox_open_write(
	- char const * path,
	- sox_signalinfo_t const * signal,
	- sox_encodinginfo_t const * encoding,
	- char const * filetype,
	- sox_oob_t const * oob,
	- sox_bool (overwrite_permitted)(const char filename));
	-sox_format_t * sox_open_mem_write(
	- void * buffer,
	- size_t buffer_size,
	- sox_signalinfo_t const * signal,
	- sox_encodinginfo_t const * encoding,
	- char const * filetype,
	- sox_oob_t const * oob);
	-sox_format_t * sox_open_memstream_write(
	- char * * buffer_ptr,
	- size_t * buffer_size_ptr,
	- sox_signalinfo_t const * signal,
	- sox_encodinginfo_t const * encoding,
	- char const * filetype,
	- sox_oob_t const * oob);
	-size_t sox_read(sox_format_t * ft, sox_sample_t *buf, size_t len);
	-size_t sox_write(sox_format_t * ft, const sox_sample_t *buf, size_t len);
	-int sox_close(sox_format_t * ft);
	-
	-#define SOX_SEEK_SET 0
	-int sox_seek(sox_format_t * ft, uint64_t offset, int whence);
	-
	-sox_format_handler_t const * sox_find_format(char const * name, sox_bool no_dev);
	-
	-/*
	- * Structures for effects.
	- */
	-
	-#define SOX_MAX_EFFECTS 20
	-
	-#define SOX_EFF_CHAN 1 /* Can alter # of channels */
	-#define SOX_EFF_RATE 2 /* Can alter sample rate */
	-#define SOX_EFF_PREC 4 /* Can alter sample precision */
	-#define SOX_EFF_LENGTH 8 /* Can alter audio length */
	-#define SOX_EFF_MCHAN 16 /* Can handle multi-channel */
	-#define SOX_EFF_NULL 32 /* Does nothing */
	-#define SOX_EFF_DEPRECATED 64 /* Is living on borrowed time */
	-#define SOX_EFF_GAIN 128 /* Does not support gain -r */
	-#define SOX_EFF_MODIFY 256 /* Does not modify samples */
	-#define SOX_EFF_ALPHA 512 /* Is experimental/incomplete */
	-#define SOX_EFF_INTERNAL 1024 /* Is in libSoX but not sox */
	-
	-typedef enum {sox_plot_off, sox_plot_octave, sox_plot_gnuplot, sox_plot_data} sox_plot_t;
	-typedef struct sox_effect sox_effect_t;
	-struct sox_effects_globals { /* Global parameters (for effects) */
	- sox_plot_t plot; /* To help the user choose effect & options */
	- sox_globals_t * global_info;
	-};
	-typedef struct sox_effects_globals sox_effects_globals_t;
	-extern sox_effects_globals_t sox_effects_globals;
	-
	-typedef struct {
	- char const * name;
	- char const * usage;
	- unsigned int flags;
	-
	- int (getopts)(sox_effect_t effp, int argc, char *argv[]);
	- int (start)(sox_effect_t effp);
	- int (flow)(sox_effect_t effp, const sox_sample_t *ibuf,
	- sox_sample_t obuf, size_t isamp, size_t *osamp);
	- int (drain)(sox_effect_t effp, sox_sample_t obuf, size_t osamp);
	- int (stop)(sox_effect_t effp);
	- int (kill)(sox_effect_t effp);
	- size_t priv_size;
	-} sox_effect_handler_t;
	-
	-struct sox_effect {
	- sox_effects_globals_t * global_info; /* global parameters */
	- sox_signalinfo_t in_signal;
	- sox_signalinfo_t out_signal;
	- sox_encodinginfo_t const * in_encoding;
	- sox_encodinginfo_t const * out_encoding;
	- sox_effect_handler_t handler;
	- sox_sample_t * obuf; /* output buffer */
	- size_t obeg, oend; /* consumed, total length */
	- size_t imin; /* minimum input buffer size */
	- size_t clips; /* increment if clipping occurs */
	- size_t flows; /* 1 if MCHAN, # chans otherwise */
	- size_t flow; /* flow # */
	- void * priv; /* Effect's private data area */
	-};
	-
	-sox_effect_handler_t const * sox_find_effect(char const * name);
	-sox_effect_t * sox_create_effect(sox_effect_handler_t const * eh);
	-int sox_effect_options(sox_effect_t effp, int argc, char const argv[]);
	-
	-/* Effects chain */
	-
	-typedef const sox_effect_handler_t (sox_effect_fn_t)(void);
	-extern sox_effect_fn_t sox_effect_fns[];
	-
	-struct sox_effects_chain {
	- sox_effect_t * effects[SOX_MAX_EFFECTS];
	- unsigned length;
	- sox_sample_t ibufc, obufc; /* Channel interleave buffers */
	- sox_effects_globals_t global_info;
	- sox_encodinginfo_t const * in_enc;
	- sox_encodinginfo_t const * out_enc;
	-};
	-typedef struct sox_effects_chain sox_effects_chain_t;
	-sox_effects_chain_t * sox_create_effects_chain(
	- sox_encodinginfo_t const * in_enc, sox_encodinginfo_t const * out_enc);
	-void sox_delete_effects_chain(sox_effects_chain_t *ecp);
	-int sox_add_effect( sox_effects_chain_t * chain, sox_effect_t * effp, sox_signalinfo_t * in, sox_signalinfo_t const * out);
	-int sox_flow_effects(sox_effects_chain_t , int ( callback)(sox_bool all_done, void * client_data), void * client_data);
	-size_t sox_effects_clips(sox_effects_chain_t *);
	-size_t sox_stop_effect(sox_effect_t *effp);
	-void sox_push_effect_last(sox_effects_chain_t chain, sox_effect_t effp);
	-sox_effect_t sox_pop_effect_last(sox_effects_chain_t chain);
	-void sox_delete_effect(sox_effect_t *effp);
	-void sox_delete_effect_last(sox_effects_chain_t *chain);
	-void sox_delete_effects(sox_effects_chain_t *chain);
	-
	-/* The following routines are unique to the trim effect.
	- * sox_trim_get_start can be used to find what is the start
	- * of the trim operation as specified by the user.
	- * sox_trim_clear_start will reset what ever the user specified
	- * back to 0.
	- * These two can be used together to find out what the user
	- * wants to trim and use a sox_seek() operation instead. After
	- * sox_seek()'ing, you should set the trim option to 0.
	- */
	-size_t sox_trim_get_start(sox_effect_t * effp);
	-void sox_trim_clear_start(sox_effect_t * effp);
	-size_t sox_crop_get_start(sox_effect_t * effp);
	-void sox_crop_clear_start(sox_effect_t * effp);
	-
	-typedef int (* sox_playlist_callback_t)(void , char );
	-sox_bool sox_is_playlist(char const * filename);
	-int sox_parse_playlist(sox_playlist_callback_t callback, void * p, char const * const listname);
	-
	-char const * sox_strerror(int sox_errno);
	-void sox_output_message(FILE file, const char filename, const char *fmt, va_list ap);
	-
	-/* WARNING BEGIN
	- *
	- * The items in this section are subject to instability. They only exist
	- * in public API because sox (the application) make use of them but
	- * may not be supported and may change rapidly.
	- */
	-void lsx_fail(const char *, ...) PRINTF;
	-void lsx_warn(const char *, ...) PRINTF;
	-void lsx_report(const char *, ...) PRINTF;
	-void lsx_debug(const char *, ...) PRINTF;
	-
	-#define lsx_fail sox_globals.subsystem=__FILE__,lsx_fail
	-#define lsx_warn sox_globals.subsystem=__FILE__,lsx_warn
	-#define lsx_report sox_globals.subsystem=__FILE__,lsx_report
	-#define lsx_debug sox_globals.subsystem=__FILE__,lsx_debug
	-
	-typedef struct {char const *text; unsigned value;} lsx_enum_item;
	-#define LSX_ENUM_ITEM(prefix, item) {#item, prefix##item},
	-
	-lsx_enum_item const * lsx_find_enum_text(char const * text, lsx_enum_item const * lsx_enum_items, unsigned flags);
	-#define LSX_FET_CASE 1
	-lsx_enum_item const * lsx_find_enum_value(unsigned value, lsx_enum_item const * lsx_enum_items);
	-int lsx_enum_option(int c, lsx_enum_item const * items);
	-sox_bool lsx_strends(char const * str, char const * end);
	-char const * lsx_find_file_extension(char const * pathname);
	-char const * lsx_sigfigs3(double number);
	-char const * lsx_sigfigs3p(double percentage);
	-void lsx_realloc(void ptr, size_t newsize);
	-int lsx_strcasecmp(const char * s1, const char * s2);
	-int lsx_strncasecmp(char const * s1, char const * s2, size_t n);
	-
	-/* WARNING END */
	-
	-#if defined(__cplusplus)
	-}
	-#endif
	-
	-#endif
	diff --git a/util/sox/src/sox_i.h b/util/sox/src/sox_i.h
	deleted file mode 100644
	index 1cfaa032..00000000
	--- a/util/sox/src/sox_i.h
	+++ /dev/null
	@@ -1,418 +0,0 @@
	-/* libSoX Internal header
	- *
	- * This file is meant for libSoX internal use only
	- *
	- * Copyright 2001-2008 Chris Bagwell and SoX Contributors
	- *
	- * This source code is freely redistributable and may be used for
	- * any purpose. This copyright notice must be maintained.
	- * Chris Bagwell And SoX Contributors are not responsible for
	- * the consequences of using this software.
	- */
	-
	-#ifndef SOX_I_H
	-#define SOX_I_H
	-
	-#include "soxomp.h" /* Make this 1st in list (for soxconfig) */
	-#if defined HAVE_FMEMOPEN
	-#ifndef _GNU_SOURCE
	-#define _GNU_SOURCE
	-#endif
	-#endif
	-#include "sox.h"
	-#include "util.h"
	-
	-#include <errno.h>
	-
	-#if defined(LSX_EFF_ALIAS)
	-#undef lsx_debug
	-#undef lsx_fail
	-#undef lsx_report
	-#undef lsx_warn
	-#define lsx_debug sox_globals.subsystem=effp->handler.name,lsx_debug
	-#define lsx_fail sox_globals.subsystem=effp->handler.name,lsx_fail
	-#define lsx_report sox_globals.subsystem=effp->handler.name,lsx_report
	-#define lsx_warn sox_globals.subsystem=effp->handler.name,lsx_warn
	-#endif
	-
	-#define RANQD1 ranqd1(sox_globals.ranqd1)
	-#define DRANQD1 dranqd1(sox_globals.ranqd1)
	-
	-typedef enum {SOX_SHORT, SOX_INT, SOX_FLOAT, SOX_DOUBLE} sox_data_t;
	-typedef enum {SOX_WAVE_SINE, SOX_WAVE_TRIANGLE} lsx_wave_t;
	-extern lsx_enum_item const lsx_wave_enum[];
	-
	-/* Define fseeko and ftello for platforms lacking them */
	-#ifndef HAVE_FSEEKO
	-#define fseeko fseek
	-#define ftello ftell
	-#endif
	-
	-#ifdef _FILE_OFFSET_BITS
	-assert_static(sizeof(off_t) == _FILE_OFFSET_BITS >> 3, OFF_T_BUILD_PROBLEM);
	-#endif
	-
	-#if defined __GNUC__
	-#define FMT_size_t "zu"
	-#elif defined _MSC_VER
	-#define FMT_size_t "Iu"
	-#else
	-#define FMT_size_t "lu"
	-#endif
	-
	-FILE * lsx_tmpfile(void);
	-
	-void lsx_debug_more(char const * fmt, ...) PRINTF;
	-void lsx_debug_most(char const * fmt, ...) PRINTF;
	-
	-#define lsx_debug_more sox_globals.subsystem=__FILE__,lsx_debug_more
	-#define lsx_debug_most sox_globals.subsystem=__FILE__,lsx_debug_most
	-
	-/* Digitise one cycle of a wave and store it as
	- * a table of samples of a specified data-type.
	- */
	-void lsx_generate_wave_table(
	- lsx_wave_t wave_type,
	- sox_data_t data_type,
	- void * table, /* Really of type indicated by data_type. */
	- size_t table_size, /* Number of points on the x-axis. */
	- double min, /* Minimum value on the y-axis. (e.g. -1) */
	- double max, /* Maximum value on the y-axis. (e.g. +1) */
	- double phase); /* Phase at 1st point; 0..2pi. (e.g. pi/2 for cosine) */
	-char const * lsx_parsesamples(sox_rate_t rate, const char str, size_t samples, int def);
	-int lsx_parse_note(char const * text, char * * end_ptr);
	-double lsx_parse_frequency_k(char const * text, char * * end_ptr, int key);
	-#define lsx_parse_frequency(a, b) lsx_parse_frequency_k(a, b, INT_MAX)
	-FILE * lsx_open_input_file(sox_effect_t * effp, char const * filename);
	-
	-void lsx_prepare_spline3(double const * x, double const * y, int n,
	- double start_1d, double end_1d, double * y_2d);
	-double lsx_spline3(double const * x, double const * y, double const * y_2d,
	- int n, double x1);
	-
	-double lsx_bessel_I_0(double x);
	-int lsx_set_dft_length(int num_taps);
	-void init_fft_cache(void);
	-void clear_fft_cache(void);
	-void lsx_safe_rdft(int len, int type, double * d);
	-void lsx_safe_cdft(int len, int type, double * d);
	-void lsx_power_spectrum(int n, double const * in, double * out);
	-void lsx_power_spectrum_f(int n, float const * in, float * out);
	-void lsx_apply_hann_f(float h[], const int num_points);
	-void lsx_apply_hann(double h[], const int num_points);
	-void lsx_apply_hamming(double h[], const int num_points);
	-void lsx_apply_bartlett(double h[], const int num_points);
	-void lsx_apply_blackman(double h[], const int num_points, double alpha);
	-void lsx_apply_blackman_nutall(double h[], const int num_points);
	-double lsx_kaiser_beta(double att);
	-void lsx_apply_kaiser(double h[], const int num_points, double beta);
	-double * lsx_make_lpf(int num_taps, double Fc, double beta, double scale, sox_bool dc_norm);
	-int lsx_lpf_num_taps(double att, double tr_bw, int k);
	-double * lsx_design_lpf(
	- double Fp, /* End of pass-band; ~= 0.01dB point */
	- double Fc, /* Start of stop-band */
	- double Fn, /* Nyquist freq; e.g. 0.5, 1, PI */
	- sox_bool allow_aliasing,
	- double att, /* Stop-band attenuation in dB */
	- int * num_taps, /* (Single phase.) 0: value will be estimated */
	- int k); /* Number of phases; 0 for single-phase */
	-void lsx_fir_to_phase(double * * h, int * len,
	- int * post_len, double phase0);
	-#define LSX_TO_6dB .5869
	-#define LSX_TO_3dB ((2/3.) * (.5 + LSX_TO_6dB))
	-#define LSX_MAX_TBW0 36.
	-#define LSX_MAX_TBW0A (LSX_MAX_TBW0 / (1 + LSX_TO_3dB))
	-#define LSX_MAX_TBW3 floor(LSX_MAX_TBW0 * LSX_TO_3dB)
	-#define LSX_MAX_TBW3A floor(LSX_MAX_TBW0A * LSX_TO_3dB)
	-void lsx_plot_fir(double * h, int num_points, sox_rate_t rate, sox_plot_t type, char const * title, double y1, double y2);
	-
	-#ifdef HAVE_BYTESWAP_H
	-#include <byteswap.h>
	-#define lsx_swapw(x) bswap_16(x)
	-#define lsx_swapdw(x) bswap_32(x)
	-#else
	-#define lsx_swapw(uw) (((uw >> 8) \| (uw << 8)) & 0xffff)
	-#define lsx_swapdw(udw) ((udw >> 24) \| ((udw >> 8) & 0xff00) \| ((udw << 8) & 0xff0000) \| (udw << 24))
	-#endif
	-
	-
	-
	-/------------------------ Implemented in libsoxio.c -------------------------/
	-
	-/* Read and write basic data types from "ft" stream. */
	-size_t lsx_readbuf(sox_format_t * ft, void *buf, size_t len);
	-int lsx_skipbytes(sox_format_t * ft, size_t n);
	-int lsx_padbytes(sox_format_t * ft, size_t n);
	-size_t lsx_writebuf(sox_format_t * ft, void const *buf, size_t len);
	-int lsx_reads(sox_format_t * ft, char *c, size_t len);
	-int lsx_writes(sox_format_t * ft, char const * c);
	-void lsx_set_signal_defaults(sox_format_t * ft);
	-#define lsx_writechars(ft, chars, len) (lsx_writebuf(ft, chars, len) == len? SOX_SUCCESS : SOX_EOF)
	-
	-size_t lsx_read_3_buf(sox_format_t * ft, uint24_t *buf, size_t len);
	-size_t lsx_read_b_buf(sox_format_t * ft, uint8_t *buf, size_t len);
	-size_t lsx_read_df_buf(sox_format_t * ft, double *buf, size_t len);
	-size_t lsx_read_dw_buf(sox_format_t * ft, uint32_t *buf, size_t len);
	-size_t lsx_read_qw_buf(sox_format_t * ft, uint64_t *buf, size_t len);
	-size_t lsx_read_f_buf(sox_format_t * ft, float *buf, size_t len);
	-size_t lsx_read_w_buf(sox_format_t * ft, uint16_t *buf, size_t len);
	-
	-size_t lsx_write_3_buf(sox_format_t * ft, uint24_t *buf, size_t len);
	-size_t lsx_write_b_buf(sox_format_t * ft, uint8_t *buf, size_t len);
	-size_t lsx_write_df_buf(sox_format_t * ft, double *buf, size_t len);
	-size_t lsx_write_dw_buf(sox_format_t * ft, uint32_t *buf, size_t len);
	-size_t lsx_write_qw_buf(sox_format_t * ft, uint64_t *buf, size_t len);
	-size_t lsx_write_f_buf(sox_format_t * ft, float *buf, size_t len);
	-size_t lsx_write_w_buf(sox_format_t * ft, uint16_t *buf, size_t len);
	-
	-int lsx_read3(sox_format_t * ft, uint24_t * u3);
	-int lsx_readb(sox_format_t * ft, uint8_t * ub);
	-int lsx_readchars(sox_format_t * ft, char * chars, size_t len);
	-int lsx_readdf(sox_format_t * ft, double * d);
	-int lsx_readdw(sox_format_t * ft, uint32_t * udw);
	-int lsx_readqw(sox_format_t * ft, uint64_t * udw);
	-int lsx_readf(sox_format_t * ft, float * f);
	-int lsx_readw(sox_format_t * ft, uint16_t * uw);
	-
	-#if 1 /* FIXME: use defines */
	-UNUSED static int lsx_readsb(sox_format_t * ft, int8_t * sb)
	-{return lsx_readb(ft, (uint8_t *)sb);}
	-UNUSED static int lsx_readsw(sox_format_t * ft, int16_t * sw)
	-{return lsx_readw(ft, (uint16_t *)sw);}
	-#else
	-#define lsx_readsb(ft, sb) lsx_readb(ft, (uint8_t *)sb)
	-#define lsx_readsw(ft, sw) lsx_readb(ft, (uint16_t *)sw)
	-#endif
	-
	-int lsx_write3(sox_format_t * ft, unsigned u3);
	-int lsx_writeb(sox_format_t * ft, unsigned ub);
	-int lsx_writedf(sox_format_t * ft, double d);
	-int lsx_writedw(sox_format_t * ft, unsigned udw);
	-int lsx_writeqw(sox_format_t * ft, uint64_t uqw);
	-int lsx_writef(sox_format_t * ft, double f);
	-int lsx_writew(sox_format_t * ft, unsigned uw);
	-
	-int lsx_writesb(sox_format_t * ft, signed);
	-int lsx_writesw(sox_format_t * ft, signed);
	-
	-int lsx_eof(sox_format_t * ft);
	-int lsx_error(sox_format_t * ft);
	-int lsx_flush(sox_format_t * ft);
	-int lsx_seeki(sox_format_t * ft, off_t offset, int whence);
	-int lsx_unreadb(sox_format_t * ft, unsigned ub);
	-size_t lsx_filelength(sox_format_t * ft);
	-off_t lsx_tell(sox_format_t * ft);
	-void lsx_clearerr(sox_format_t * ft);
	-void lsx_rewind(sox_format_t * ft);
	-
	-int lsx_offset_seek(sox_format_t * ft, off_t byte_offset, off_t to_sample);
	-
	-void lsx_fail_errno(sox_format_t , int, const char , ...)
	-#ifdef __GNUC__
	-__attribute__ ((format (printf, 3, 4)));
	-#else
	-;
	-#endif
	-
	-typedef struct sox_formats_globals { /* Global parameters (for formats) */
	- sox_globals_t * global_info;
	-} sox_formats_globals;
	-
	-
	-
	-/------------------------------ File Handlers -------------------------------/
	-
	-int lsx_check_read_params(sox_format_t * ft, unsigned channels,
	- sox_rate_t rate, sox_encoding_t encoding, unsigned bits_per_sample,
	- off_t num_samples, sox_bool check_length);
	-#define LSX_FORMAT_HANDLER(name) \
	-sox_format_handler_t const * lsx_##name##_format_fn(void); \
	-sox_format_handler_t const * lsx_##name##_format_fn(void)
	-#define div_bits(size, bits) (off_t)((double)(size) * 8 / bits)
	-
	-/* Raw I/O */
	-int lsx_rawstartread(sox_format_t * ft);
	-size_t lsx_rawread(sox_format_t * ft, sox_sample_t *buf, size_t nsamp);
	-int lsx_rawstopread(sox_format_t * ft);
	-int lsx_rawstartwrite(sox_format_t * ft);
	-size_t lsx_rawwrite(sox_format_t * ft, const sox_sample_t *buf, size_t nsamp);
	-int lsx_rawseek(sox_format_t * ft, uint64_t offset);
	-int lsx_rawstart(sox_format_t * ft, sox_bool default_rate, sox_bool default_channels, sox_bool default_length, sox_encoding_t encoding, unsigned size);
	-#define lsx_rawstartread(ft) lsx_rawstart(ft, sox_false, sox_false, sox_false, SOX_ENCODING_UNKNOWN, 0)
	-#define lsx_rawstartwrite lsx_rawstartread
	-#define lsx_rawstopread NULL
	-#define lsx_rawstopwrite NULL
	-
	-extern sox_format_handler_t const * lsx_sndfile_format_fn(void);
	-
	-char * lsx_cat_comments(sox_comments_t comments);
	-
	-/--------------------------------- Effects ----------------------------------/
	-
	-int lsx_flow_copy(sox_effect_t * effp, const sox_sample_t * ibuf,
	- sox_sample_t * obuf, size_t * isamp, size_t * osamp);
	-int lsx_usage(sox_effect_t * effp);
	-char * lsx_usage_lines(char * * usage, char const * const * lines, size_t n);
	-#define EFFECT(f) extern sox_effect_handler_t const * lsx_##f##_effect_fn(void);
	-#include "effects.h"
	-#undef EFFECT
	-
	-#define NUMERIC_PARAMETER(name, min, max) { \
	- char * end_ptr; \
	- double d; \
	- if (argc == 0) break; \
	- d = strtod(*argv, &end_ptr); \
	- if (end_ptr != *argv) { \
	- if (d < min \|\| d > max \|\| *end_ptr != '\0') {\
	- lsx_fail("parameter `%s' must be between %g and %g", #name, (double)min, (double)max); \
	- return lsx_usage(effp); \
	- } \
	- p->name = d; \
	- --argc, ++argv; \
	- } \
	-}
	-
	-#define TEXTUAL_PARAMETER(name, enum_table) { \
	- lsx_enum_item const * e; \
	- if (argc == 0) break; \
	- e = lsx_find_enum_text(*argv, enum_table, 0); \
	- if (e != NULL) { \
	- p->name = e->value; \
	- --argc, ++argv; \
	- } \
	-}
	-
	-#define GETOPT_NUMERIC(ch, name, min, max) case ch:{ \
	- char * end_ptr; \
	- double d = strtod(lsx_optarg, &end_ptr); \
	- if (end_ptr == lsx_optarg \|\| d < min \|\| d > max \|\| *end_ptr != '\0') {\
	- lsx_fail("parameter `%s' must be between %g and %g", #name, (double)min, (double)max); \
	- return lsx_usage(effp); \
	- } \
	- p->name = d; \
	- break; \
	-}
	-
	-int lsx_effect_set_imin(sox_effect_t * effp, size_t imin);
	-
	-int lsx_effects_init(void);
	-int lsx_effects_quit(void);
	-
	-/--------------------------------- Dynamic Library ----------------------------------/
	-
	-#if defined(HAVE_WIN32_LTDL_H)
	- #include "win32-ltdl.h"
	- #define HAVE_LIBLTDL 1
	- typedef lt_dlhandle lsx_dlhandle;
	-#elif defined(HAVE_LIBLTDL)
	- #include <ltdl.h>
	- typedef lt_dlhandle lsx_dlhandle;
	-#else
	- struct lsx_dlhandle_tag;
	- typedef struct lsx_dlhandle_tag *lsx_dlhandle;
	-#endif
	-
	-typedef void (*lsx_dlptr)(void);
	-
	-typedef struct lsx_dlfunction_info
	-{
	- const char* name;
	- lsx_dlptr static_func;
	- lsx_dlptr stub_func;
	-} lsx_dlfunction_info;
	-
	-int lsx_open_dllibrary(
	- int show_error_on_failure,
	- const char* library_description,
	- const char * const library_names[],
	- const lsx_dlfunction_info func_infos[],
	- lsx_dlptr selected_funcs[],
	- lsx_dlhandle* pdl);
	-
	-void lsx_close_dllibrary(
	- lsx_dlhandle dl);
	-
	-#define LSX_DLENTRIES_APPLY__(entries, f, x) entries(f, x)
	-
	-#define LSX_DLENTRY_TO_PTR__(unused, func_return, func_name, func_args, static_func, stub_func, func_ptr) \
	- func_return (*func_ptr) func_args;
	-
	-#define LSX_DLENTRIES_TO_FUNCTIONS__(unused, func_return, func_name, func_args, static_func, stub_func, func_ptr) \
	- func_return func_name func_args;
	-
	-/* LSX_DLENTRIES_TO_PTRS: Given an ENTRIES macro and the name of the dlhandle
	- variable, declares the corresponding function pointer variables and the
	- dlhandle variable. */
	-#define LSX_DLENTRIES_TO_PTRS(entries, dlhandle) \
	- LSX_DLENTRIES_APPLY__(entries, LSX_DLENTRY_TO_PTR__, 0) \
	- lsx_dlhandle dlhandle
	-
	-/* LSX_DLENTRIES_TO_FUNCTIONS: Given an ENTRIES macro, declares the corresponding
	- functions. */
	-#define LSX_DLENTRIES_TO_FUNCTIONS(entries) \
	- LSX_DLENTRIES_APPLY__(entries, LSX_DLENTRIES_TO_FUNCTIONS__, 0)
	-
	-#define LSX_DLLIBRARY_OPEN1__(unused, func_return, func_name, func_args, static_func, stub_func, func_ptr) \
	- { #func_name, (lsx_dlptr)(static_func), (lsx_dlptr)(stub_func) },
	-
	-#define LSX_DLLIBRARY_OPEN2__(ptr_container, func_return, func_name, func_args, static_func, stub_func, func_ptr) \
	- (ptr_container)->func_ptr = (func_return (*)func_args)lsx_dlfunction_open_library_funcs[lsx_dlfunction_open_library_index++];
	-
	-/* LSX_DLLIBRARY_OPEN: Input an ENTRIES macro, the library's description,
	- a null-terminated list of library names (i.e. { "libmp3-0", "libmp3", NULL }),
	- the name of the dlhandle variable, the name of the structure that contains
	- the function pointer and dlhandle variables, and the name of the variable in
	- which the result of the lsx_open_dllibrary call should be stored. This will
	- call lsx_open_dllibrary and copy the resulting function pointers into the
	- structure members. If the library cannot be opened, show a failure message. */
	-#define LSX_DLLIBRARY_OPEN(ptr_container, dlhandle, entries, library_description, library_names, return_var) \
	- LSX_DLLIBRARY_TRYOPEN(1, ptr_container, dlhandle, entries, library_description, library_names, return_var)
	-
	-/* LSX_DLLIBRARY_TRYOPEN: Input an ENTRIES macro, the library's description,
	- a null-terminated list of library names (i.e. { "libmp3-0", "libmp3", NULL }),
	- the name of the dlhandle variable, the name of the structure that contains
	- the function pointer and dlhandle variables, and the name of the variable in
	- which the result of the lsx_open_dllibrary call should be stored. This will
	- call lsx_open_dllibrary and copy the resulting function pointers into the
	- structure members. If the library cannot be opened, show a report or a failure
	- message, depending on whether error_on_failure is non-zero. */
	-#define LSX_DLLIBRARY_TRYOPEN(error_on_failure, ptr_container, dlhandle, entries, library_description, library_names, return_var) \
	- do { \
	- lsx_dlfunction_info lsx_dlfunction_open_library_infos[] = { \
	- LSX_DLENTRIES_APPLY__(entries, LSX_DLLIBRARY_OPEN1__, 0) \
	- {NULL,NULL,NULL} }; \
	- int lsx_dlfunction_open_library_index = 0; \
	- lsx_dlptr lsx_dlfunction_open_library_funcs[sizeof(lsx_dlfunction_open_library_infos)/sizeof(lsx_dlfunction_open_library_infos[0])]; \
	- (return_var) = lsx_open_dllibrary((error_on_failure), (library_description), (library_names), lsx_dlfunction_open_library_infos, lsx_dlfunction_open_library_funcs, &(ptr_container)->dlhandle); \
	- LSX_DLENTRIES_APPLY__(entries, LSX_DLLIBRARY_OPEN2__, ptr_container) \
	- } while(0)
	-
	-#define LSX_DLLIBRARY_CLOSE(ptr_container, dlhandle) \
	- lsx_close_dllibrary((ptr_container)->dlhandle)
	-
	- /* LSX_DLENTRY_STATIC: For use in creating an ENTRIES macro. func is
	- expected to be available at link time. If not present, link will fail. */
	-#define LSX_DLENTRY_STATIC(f,x, ret, func, args) f(x, ret, func, args, func, NULL, func)
	-
	- /* LSX_DLENTRY_DYNAMIC: For use in creating an ENTRIES macro. func need
	- not be available at link time (and if present, the link time version will
	- not be used). func will be loaded via dlsym. If this function is not
	- found in the shared library, the shared library will not be used. */
	-#define LSX_DLENTRY_DYNAMIC(f,x, ret, func, args) f(x, ret, func, args, NULL, NULL, func)
	-
	- /* LSX_DLENTRY_STUB: For use in creating an ENTRIES macro. func need not
	- be available at link time (and if present, the link time version will not
	- be used). If using DL_LAME, the func may be loaded via dlopen/dlsym, but
	- if not found, the shared library will still be used if all of the
	- non-stub functions are found. If the function is not found via dlsym (or
	- if we are not loading any shared libraries), the stub will be used. This
	- assumes that the name of the stub function is the name of the function +
	- "_stub". */
	-#define LSX_DLENTRY_STUB(f,x, ret, func, args) f(x, ret, func, args, NULL, func##_stub, func)
	-
	- /* LSX_DLFUNC_IS_STUB: returns true if the named function is a do-nothing
	- stub. Assumes that the name of the stub function is the name of the
	- function + "_stub". */
	-#define LSX_DLFUNC_IS_STUB(ptr_container, func) ((ptr_container)->func == func##_stub)
	-
	-#endif
	diff --git a/util/sox/src/soxconfig.h b/util/sox/src/soxconfig.h
	deleted file mode 100644
	index 1b13477a..00000000
	--- a/util/sox/src/soxconfig.h
	+++ /dev/null
	@@ -1,402 +0,0 @@
	-/* src/soxconfig.h. Generated from soxconfig.h.in by configure. */
	-/* src/soxconfig.h.in. Generated from configure.ac by autoheader. */
	-
	-/* Define if building universal (internal helper macro) */
	-/* #undef AC_APPLE_UNIVERSAL_BUILD */
	-
	-/* Define to dlopen() amrnb. */
	-/* #undef DL_AMRNB */
	-
	-/* Define to dlopen() amrwb. */
	-/* #undef DL_AMRWB */
	-
	-/* Define to dlopen() lame. */
	-/* #undef DL_LAME */
	-
	-/* Define to dlopen() mad. */
	-/* #undef DL_MAD */
	-
	-/* Define to dlopen() sndfile. */
	-/* #undef DL_SNDFILE */
	-
	-/* Define if you are using an external GSM library */
	-/* #undef EXTERNAL_GSM */
	-
	-/* Define if you are using an external LPC10 library */
	-/* #undef EXTERNAL_LPC10 */
	-
	-/* Define to 1 if you have alsa. */
	-#define HAVE_ALSA 1
	-
	-/* Define to 1 if you have amrnb. */
	-/* #undef HAVE_AMRNB */
	-
	-/* Define to 1 if you have amrwb. */
	-/* #undef HAVE_AMRWB */
	-
	-/* Define to 1 if you have the <amrwb/dec.h> header file. */
	-/* #undef HAVE_AMRWB_DEC_H */
	-
	-/* Define to 1 if you have ao. */
	-/* #undef HAVE_AO */
	-
	-/* Define to 1 if you have the <byteswap.h> header file. */
	-/* #define HAVE_BYTESWAP_H 1 */
	-
	-/* Define to 1 if you have coreaudio. */
	-/* #undef HAVE_COREAUDIO */
	-
	-/* 1 if DISTRO is defined */
	-/* #undef HAVE_DISTRO */
	-
	-/* Define to 1 if you have the <dlfcn.h> header file. */
	-#define HAVE_DLFCN_H 1
	-
	-/* Define to 1 if you have the <fcntl.h> header file. */
	-#define HAVE_FCNTL_H 1
	-
	-/* Define to 1 if you have ffmpeg. */
	-/* #undef HAVE_FFMPEG */
	-
	-/* Define to 1 if you have the <ffmpeg/avcodec.h> header file. */
	-/* #undef HAVE_FFMPEG_AVCODEC_H */
	-
	-/* Define to 1 if you have the <ffmpeg/avformat.h> header file. */
	-/* #undef HAVE_FFMPEG_AVFORMAT_H */
	-
	-/* Define to 1 if you have flac. */
	-/* #undef HAVE_FLAC */
	-
	-/* Define to 1 if you have the `fmemopen' function. */
	-#define HAVE_FMEMOPEN 1
	-
	-/* Define to 1 if fseeko (and presumably ftello) exists and is declared. */
	-#define HAVE_FSEEKO 1
	-
	-/* Define to 1 if you have the `gettimeofday' function. */
	-#define HAVE_GETTIMEOFDAY 1
	-
	-/* Define to 1 if you have the <glob.h> header file. */
	-#define HAVE_GLOB_H 1
	-
	-/* Define to 1 if you have gsm. */
	-#define HAVE_GSM 1
	-
	-/* Define to 1 if you have the <gsm/gsm.h> header file. */
	-/* #undef HAVE_GSM_GSM_H */
	-
	-/* Define to 1 if you have the <gsm.h> header file. */
	-/* #undef HAVE_GSM_H */
	-
	-/* Define to 1 if you have id3tag. */
	-/* #undef HAVE_ID3TAG */
	-
	-/* Define to 1 if you have the <inttypes.h> header file. */
	-#define HAVE_INTTYPES_H 1
	-
	-/* 1 if should enable LADSPA */
	-/* #define HAVE_LADSPA_H 1 */
	-
	-/* Define to 1 if you have lame 3.98 or greater. */
	-/* #undef HAVE_LAME_398 */
	-
	-/* Define to 1 if lame 3.98 or newer ID3 tag support. */
	-/* #undef HAVE_LAME_398_ID3TAG */
	-
	-/* Define to 1 if you have the <lame.h> header file. */
	-/* #undef HAVE_LAME_H */
	-
	-/* Define to 1 if lame supports optional ID3 tags. */
	-/* #undef HAVE_LAME_ID3TAG */
	-
	-/* Define to 1 if you have the <lame/lame.h> header file. */
	-/* #undef HAVE_LAME_LAME_H */
	-
	-/* Define to 1 if you have the <libavcodec/avcodec.h> header file. */
	-/* #undef HAVE_LIBAVCODEC_AVCODEC_H */
	-
	-/* Define to 1 if you have the <libavformat/avformat.h> header file. */
	-/* #undef HAVE_LIBAVFORMAT_AVFORMAT_H */
	-
	-/* Define to 1 if you have libltdl */
	-/* #define HAVE_LIBLTDL 1 */
	-
	-/* Define to 1 if you have the `m' library (-lm). */
	-#define HAVE_LIBM 1
	-
	-/* Define to 1 if you have the <libpng/png.h> header file. */
	-/* #define HAVE_LIBPNG_PNG_H 1 */
	-
	-/* Define to 1 if you have lpc10. */
	-/* #define HAVE_LPC10 1 */
	-
	-/* Define to 1 if you have the <lpc10.h> header file. */
	-/* #undef HAVE_LPC10_H */
	-
	-/* Define to 1 if you have the <ltdl.h> header file. */
	-/* #define HAVE_LTDL_H 1 */
	-
	-/* Define to 1 if you have the <machine/soundcard.h> header file. */
	-/* #undef HAVE_MACHINE_SOUNDCARD_H */
	-
	-/* Define to 1 if you have the <mad.h> header file. */
	-/* #define HAVE_MAD_H 1 */
	-
	-/* Define to 1 if you have magic. */
	-/* #undef HAVE_MAGIC */
	-
	-/* Define to 1 if you have the <memory.h> header file. */
	-#define HAVE_MEMORY_H 1
	-
	-/* Define to 1 if you have the `mkstemp' function. */
	-#define HAVE_MKSTEMP 1
	-
	-/* Define to 1 if you have mp3. */
	-/* #define HAVE_MP3 1 */
	-
	-/* Define to 1 if you have oggvorbis. */
	-/* #define HAVE_OGG_VORBIS 1 */
	-
	-/* Define to 1 if you have the <omp.h> header file. */
	-/* #define HAVE_OMP_H 1 */
	-
	-/* Define to 1 if you have the <opencore-amrnb/interf_dec.h> header file. */
	-/* #undef HAVE_OPENCORE_AMRNB_INTERF_DEC_H */
	-
	-/* Define to 1 if you have the <opencore-amrwb/dec_if.h> header file. */
	-/* #undef HAVE_OPENCORE_AMRWB_DEC_IF_H */
	-
	-/* Define to 1 if you have GOMP. */
	-/* #define HAVE_OPENMP 0 */
	-
	-/* Define to 1 if you have oss. */
	-// #define HAVE_OSS 0
	-
	-/* Define to 1 if you have PNG. */
	-// #define HAVE_PNG 0
	-
	-/* Define to 1 if you have the <png.h> header file. */
	-// #define HAVE_PNG_H 0
	-
	-/* Define to 1 if you have the `popen' function. */
	-#define HAVE_POPEN 1
	-
	-/* Define to 1 if you have pulseaudio. */
	-// #define HAVE_PULSEAUDIO 1
	-
	-/* Define if you have libsndfile with SFC_SET_SCALE_FLOAT_INT_READ */
	-/* #undef HAVE_SFC_SET_SCALE_FLOAT_INT_READ */
	-
	-/* Define if you have libsndfile with SFC_SFC_SET_SCALE_INT_FLOAT_WRITE */
	-/* #undef HAVE_SFC_SET_SCALE_INT_FLOAT_WRITE */
	-
	-/* Define to 1 if you have sndfile. */
	-/* #undef HAVE_SNDFILE */
	-
	-/* Define if you have libsndfile >= 1.0.12 */
	-/* #undef HAVE_SNDFILE_1_0_12 */
	-
	-/* Define if you have libsndfile >= 1.0.18 */
	-/* #undef HAVE_SNDFILE_1_0_18 */
	-
	-/* Define if you have <sndfile.h> */
	-/* #undef HAVE_SNDFILE_H */
	-
	-/* Define to 1 if you have sndio. */
	-/* #undef HAVE_SNDIO */
	-
	-/* Define to 1 if you have the <stdint.h> header file. */
	-#define HAVE_STDINT_H 1
	-
	-/* Define to 1 if you have the <stdlib.h> header file. */
	-#define HAVE_STDLIB_H 1
	-
	-/* Define to 1 if you have the `strcasecmp' function. */
	-#define HAVE_STRCASECMP 1
	-
	-/* Define to 1 if you have the `strdup' function. */
	-#define HAVE_STRDUP 1
	-
	-/* Define to 1 if you have the <strings.h> header file. */
	-#define HAVE_STRINGS_H 1
	-
	-/* Define to 1 if you have the <string.h> header file. */
	-#define HAVE_STRING_H 1
	-
	-/* Define to 1 if you have sunaudio. */
	-/* #undef HAVE_SUN_AUDIO */
	-
	-/* Define to 1 if you have the <sun/audioio.h> header file. */
	-/* #undef HAVE_SUN_AUDIOIO_H */
	-
	-/* Define to 1 if you have the <sys/audioio.h> header file. */
	-/* #undef HAVE_SYS_AUDIOIO_H */
	-
	-/* Define to 1 if you have the <sys/soundcard.h> header file. */
	-// #define HAVE_SYS_SOUNDCARD_H 1
	-
	-/* Define to 1 if you have the <sys/stat.h> header file. */
	-#define HAVE_SYS_STAT_H 1
	-
	-/* Define to 1 if you have the <sys/timeb.h> header file. */
	-#define HAVE_SYS_TIMEB_H 1
	-
	-/* Define to 1 if you have the <sys/time.h> header file. */
	-#define HAVE_SYS_TIME_H 1
	-
	-/* Define to 1 if you have the <sys/types.h> header file. */
	-#define HAVE_SYS_TYPES_H 1
	-
	-/* Define to 1 if you have the <sys/utsname.h> header file. */
	-#define HAVE_SYS_UTSNAME_H 1
	-
	-/* Define to 1 if you have the <termios.h> header file. */
	-// #define HAVE_TERMIOS_H 1
	-
	-/* Define to 1 if you have the <unistd.h> header file. */
	-#define HAVE_UNISTD_H 1
	-
	-/* Define to 1 if you have the `vsnprintf' function. */
	-#define HAVE_VSNPRINTF 1
	-
	-/* Define to 1 if you have waveaudio. */
	-/* #undef HAVE_WAVEAUDIO */
	-
	-/* Define to 1 if you have wavpack. */
	-/* #undef HAVE_WAVPACK */
	-
	-/* Define to 1 to use win32 glob */
	-/* #undef HAVE_WIN32_GLOB_H */
	-
	-/* Define to 1 to use internal win32 ltdl */
	-/* #undef HAVE_WIN32_LTDL_H */
	-
	-/* Define to the sub-directory in which libtool stores uninstalled libraries.
	- */
	-#define LT_OBJDIR ".libs/"
	-
	-/* Define to 1 if your C compiler doesn't accept -c and -o together. */
	-/* #undef NO_MINUS_C_MINUS_O */
	-
	-/* Name of package */
	-#define PACKAGE "sox"
	-
	-/* Define to the address where bug reports for this package should be sent. */
	-#define PACKAGE_BUGREPORT "sox-devel@lists.sourceforge.net"
	-
	-/* Define to the full name of this package. */
	-#define PACKAGE_NAME "SoX"
	-
	-/* Define to the full name and version of this package. */
	-#define PACKAGE_STRING "SoX 14.3.2"
	-
	-/* Define to the one symbol short name of this package. */
	-#define PACKAGE_TARNAME "sox"
	-
	-/* Define to the home page for this package. */
	-#define PACKAGE_URL ""
	-
	-/* Define to the version of this package. */
	-#define PACKAGE_VERSION "14.3.2"
	-
	-/* The size of `char', as computed by sizeof. */
	-/* #undef SIZEOF_CHAR */
	-
	-/* The size of `int', as computed by sizeof. */
	-/* #undef SIZEOF_INT */
	-
	-/* The size of `long', as computed by sizeof. */
	-/* #undef SIZEOF_LONG */
	-
	-/* The size of `short', as computed by sizeof. */
	-/* #undef SIZEOF_SHORT */
	-
	-/* The size of `void', as computed by sizeof. /
	-/* #undef SIZEOF_VOIDP */
	-
	-/* Define to 1 if you have static alsa. */
	-// #define STATIC_ALSA 1
	-
	-/* Define to 1 if you have static amrnb. */
	-/* #undef STATIC_AMRNB */
	-
	-/* Define to 1 if you have static amrwb. */
	-/* #undef STATIC_AMRWB */
	-
	-/* Define to 1 if you have static ao. */
	-/* #undef STATIC_AO */
	-
	-/* Define to 1 if you have static coreaudio. */
	-/* #undef STATIC_COREAUDIO */
	-
	-/* Define to 1 if you have static ffmpeg. */
	-/* #undef STATIC_FFMPEG */
	-
	-/* Define to 1 if you have static flac. */
	-/* #undef STATIC_FLAC */
	-
	-/* Define to 1 if you have static gsm. */
	-// #define STATIC_GSM 1
	-
	-/* Define to 1 if you have static lpc10. */
	-// #define STATIC_LPC10 1
	-
	-/* Define to 1 if you have static mp3. */
	-// #define STATIC_MP3 1
	-
	-/* Define to 1 if you have static oggvorbis. */
	-// #define STATIC_OGG_VORBIS 1
	-
	-/* Define to 1 if you have static oss. */
	-// #define STATIC_OSS 1
	-
	-/* Define to 1 if you have static pulseaudio. */
	-// #define STATIC_PULSEAUDIO 1
	-
	-/* Define to 1 if you have static sndfile. */
	-/* #undef STATIC_SNDFILE */
	-
	-/* Define to 1 if you have static sndio. */
	-/* #undef STATIC_SNDIO */
	-
	-/* Define to 1 if you have static sunaudio. */
	-/* #undef STATIC_SUN_AUDIO */
	-
	-/* Define to 1 if you have static waveaudio. */
	-/* #undef STATIC_WAVEAUDIO */
	-
	-/* Define to 1 if you have static wavpack. */
	-/* #undef STATIC_WAVPACK */
	-
	-/* Define to 1 if you have the ANSI C header files. */
	-#define STDC_HEADERS 1
	-
	-/* Version number of package */
	-#define VERSION "14.3.2"
	-
	-/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most
	- significant byte first (like Motorola and SPARC, unlike Intel). */
	-#if defined AC_APPLE_UNIVERSAL_BUILD
	-# if defined __BIG_ENDIAN__
	-# define WORDS_BIGENDIAN 1
	-# endif
	-#else
	-# ifndef WORDS_BIGENDIAN
	-/* # undef WORDS_BIGENDIAN */
	-# endif
	-#endif
	-
	-/* Number of bits in a file offset, on hosts where this is settable. */
	-#define _FILE_OFFSET_BITS 64
	-
	-/* Define to 1 to make fseeko visible on some hosts (e.g. glibc 2.2). */
	-#define _LARGEFILE_SOURCE 1
	-
	-/* Define for large files, on AIX-style hosts. */
	-/* #undef _LARGE_FILES */
	-
	-/* Define to `__inline__' or `__inline' if that's what the C compiler
	- calls it, or to nothing if 'inline' is not supported under any name. */
	-#ifndef __cplusplus
	-/* #undef inline */
	-#endif
	diff --git a/util/sox/src/soxomp.h b/util/sox/src/soxomp.h
	deleted file mode 100644
	index 6fce07d9..00000000
	--- a/util/sox/src/soxomp.h
	+++ /dev/null
	@@ -1,38 +0,0 @@
	-#include "soxconfig.h"
	-
	-#ifdef HAVE_OPENMP
	- #include <omp.h>
	-#else
	-
	-typedef int omp_lock_t;
	-typedef int omp_nest_lock_t;
	-
	-#define omp_set_num_threads(int) (void)0
	-#define omp_get_num_threads() 1
	-#define omp_get_max_threads() 1
	-#define omp_get_thread_num() 0
	-#define omp_get_num_procs() 1
	-#define omp_in_parallel() 1
	-
	-#define omp_set_dynamic(int) (void)0
	-#define omp_get_dynamic() 0
	-
	-#define omp_set_nested(int) (void)0
	-#define omp_get_nested() 0
	-
	-#define omp_init_lock(omp_lock_t) (void)0
	-#define omp_destroy_lock(omp_lock_t) (void)0
	-#define omp_set_lock(omp_lock_t) (void)0
	-#define omp_unset_lock(omp_lock_t) (void)0
	-#define omp_test_lock(omp_lock_t) 0
	-
	-#define omp_init_nest_lock(omp_nest_lock_t) (void)0
	-#define omp_destroy_nest_lock(omp_nest_lock_t) (void)0
	-#define omp_set_nest_lock(omp_nest_lock_t) (void)0
	-#define omp_unset_nest_lock(omp_nest_lock_t) (void)0
	-#define omp_test_nest_lock(omp_nest_lock_t) 0
	-
	-#define omp_get_wtime() 0
	-#define omp_get_wtick() 0
	-
	-#endif
	diff --git a/util/sox/src/soxstdint.h b/util/sox/src/soxstdint.h
	deleted file mode 100644
	index 25c11114..00000000
	--- a/util/sox/src/soxstdint.h
	+++ /dev/null
	@@ -1,9 +0,0 @@
	-#ifndef _SOX_SRC_SOXSTDINT_H
	-#define _SOX_SRC_SOXSTDINT_H 1
	-#ifndef _GENERATED_STDINT_H
	-#define _GENERATED_STDINT_H "sox 14.3.2"
	-/* generated using gnu compiler gcc (Ubuntu/Linaro 4.5.2-8ubuntu4) 4.5.2 */
	-#define _STDINT_HAVE_STDINT_H 1
	-#include <stdint.h>
	-#endif
	-#endif
	diff --git a/util/sox/src/util.h b/util/sox/src/util.h
	deleted file mode 100644
	index a6d9675c..00000000
	--- a/util/sox/src/util.h
	+++ /dev/null
	@@ -1,180 +0,0 @@
	-/* General purpose, i.e. non SoX specific, utility functions and macros.
	- *
	- * (c) 2006-8 Chris Bagwell and SoX contributors
	- *
	- * This library is free software; you can redistribute it and/or modify it
	- * under the terms of the GNU Lesser General Public License as published by
	- * the Free Software Foundation; either version 2.1 of the License, or (at
	- * your option) any later version.
	- *
	- * This library is distributed in the hope that it will be useful, but
	- * WITHOUT ANY WARRANTY; without even the implied warranty of
	- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
	- * General Public License for more details.
	- *
	- * You should have received a copy of the GNU Lesser General Public License
	- * along with this library; if not, write to the Free Software Foundation,
	- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	- */
	-
	-#ifdef HAVE_SYS_TYPES_H
	-#include <sys/types.h> /* For off_t not found in stdio.h */
	-#endif
	-
	-#ifdef HAVE_SYS_STAT_H
	-#include <sys/stat.h> /* Needs to be included before we redefine off_t. */
	-#endif
	-
	-#include "xmalloc.h"
	-
	-/---------------------------- Portability stuff -----------------------------/
	-
	-#ifdef __GNUC__
	-#define NORET __attribute__((noreturn))
	-#define PRINTF __attribute__ ((format (printf, 1, 2)))
	-#define UNUSED __attribute__ ((unused))
	-#else
	-#define NORET
	-#define PRINTF
	-#define UNUSED
	-#endif
	-
	-#ifdef _MSC_VER
	-
	-#define __STDC__ 1
	-#define O_BINARY _O_BINARY
	-#define O_CREAT _O_CREAT
	-#define O_RDWR _O_RDWR
	-#define O_TRUNC _O_TRUNC
	-#define S_IFMT _S_IFMT
	-#define S_IFREG _S_IFREG
	-#define S_IREAD _S_IREAD
	-#define S_IWRITE _S_IWRITE
	-#define close _close
	-#define dup _dup
	-#define fdopen _fdopen
	-#define fileno _fileno
	-
	-#ifdef _fstati64
	-#define fstat _fstati64
	-#else
	-#define fstat _fstat
	-#endif
	-
	-#define ftime _ftime
	-#define inline __inline
	-#define isatty _isatty
	-#define kbhit _kbhit
	-#define mktemp _mktemp
	-#define off_t _off_t
	-#define open _open
	-#define pclose _pclose
	-#define popen _popen
	-#define setmode _setmode
	-#define snprintf _snprintf
	-
	-#ifdef _stati64
	-#define stat _stati64
	-#else
	-#define stat _stat
	-#endif
	-
	-#define strdup _strdup
	-#define timeb _timeb
	-#define unlink _unlink
	-
	-#if defined(HAVE__FSEEKI64) && !defined(HAVE_FSEEKO)
	-#undef off_t
	-#define fseeko _fseeki64
	-#define ftello _ftelli64
	-#define off_t __int64
	-#define HAVE_FSEEKO 1
	-#endif
	-
	-#elif defined(__MINGW32__)
	-
	-#if !defined(HAVE_FSEEKO)
	-#undef off_t
	-#define fseeko fseeko64
	-#define fstat _fstati64
	-#define ftello ftello64
	-#define off_t off64_t
	-#define stat _stati64
	-#define HAVE_FSEEKO 1
	-#endif
	-
	-#endif
	-
	-#if defined(DOS) \|\| defined(WIN32) \|\| defined(__NT__) \|\| defined(__DJGPP__) \|\| defined(__OS2__)
	- #define LAST_SLASH(path) max(strrchr(path, '/'), strrchr(path, '\\'))
	- #define IS_ABSOLUTE(path) ((path)[0] == '/' \|\| (path)[0] == '\\' \|\| (path)[1] == ':')
	- #define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY)
	-#else
	- #define LAST_SLASH(path) strrchr(path, '/')
	- #define IS_ABSOLUTE(path) ((path)[0] == '/')
	- #define SET_BINARY_MODE(file)
	-#endif
	-
	-#ifdef WORDS_BIGENDIAN
	- #define MACHINE_IS_BIGENDIAN 1
	- #define MACHINE_IS_LITTLEENDIAN 0
	-#else
	- #define MACHINE_IS_BIGENDIAN 0
	- #define MACHINE_IS_LITTLEENDIAN 1
	-#endif
	-
	-/--------------------------- Language extensions ----------------------------/
	-
	-/* Compile-time ("static") assertion */
	-/* e.g. assert_static(sizeof(int) >= 4, int_type_too_small) */
	-#define assert_static(e,f) enum {assert_static__##f = 1/(e)}
	-#define array_length(a) (sizeof(a)/sizeof(a[0]))
	-#define field_offset(type, field) ((size_t)&(((type *)0)->field))
	-#define unless(x) if (!(x))
	-
	-/------------------------------- Maths stuff --------------------------------/
	-
	-#include <math.h>
	-
	-#ifdef min
	-#undef min
	-#endif
	-#define min(a, b) ((a) <= (b) ? (a) : (b))
	-
	-#ifdef max
	-#undef max
	-#endif
	-#define max(a, b) ((a) >= (b) ? (a) : (b))
	-
	-#define range_limit(x, lower, upper) (min(max(x, lower), upper))
	-
	-#ifndef M_PI
	-#define M_PI 3.14159265358979323846
	-#endif
	-#ifndef M_PI_2
	-#define M_PI_2 1.57079632679489661923 /* pi/2 */
	-#endif
	-#ifndef M_LN10
	-#define M_LN10 2.30258509299404568402 /* natural log of 10 */
	-#endif
	-#ifndef M_SQRT2
	-#define M_SQRT2 sqrt(2.)
	-#endif
	-
	-#define sqr(a) ((a) * (a))
	-#define sign(x) ((x) < 0? -1 : 1)
	-
	-/* Numerical Recipes in C, p. 284 */
	-#define ranqd1(x) ((x) = 1664525L * (x) + 1013904223L) /* int32_t x */
	-#define dranqd1(x) (ranqd1(x) * (1. / (65536. * 32768.))) /* [-1,1) */
	-
	-#define dB_to_linear(x) exp((x) * M_LN10 * 0.05)
	-#define linear_to_dB(x) (log10(x) * 20)
	-
	-extern int lsx_strcasecmp(const char s1, const char st);
	-extern int lsx_strncasecmp(char const s1, char const s2, size_t n);
	-
	-#ifndef HAVE_STRCASECMP
	-#define strcasecmp(s1, s2) lsx_strcasecmp((s1), (s2))
	-#define strncasecmp(s1, s2, n) lsx_strncasecmp((s1), (s2), (n))
	-#endif
	diff --git a/util/sox/src/xmalloc.h b/util/sox/src/xmalloc.h
	deleted file mode 100644
	index b2a6d026..00000000
	--- a/util/sox/src/xmalloc.h
	+++ /dev/null
	@@ -1,34 +0,0 @@
	-/* libSoX Memory allocation functions
	- *
	- * Copyright (c) 2005-2006 Reuben Thomas. All rights reserved.
	- *
	- * This library is free software; you can redistribute it and/or modify it
	- * under the terms of the GNU Lesser General Public License as published by
	- * the Free Software Foundation; either version 2.1 of the License, or (at
	- * your option) any later version.
	- *
	- * This library is distributed in the hope that it will be useful, but
	- * WITHOUT ANY WARRANTY; without even the implied warranty of
	- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
	- * General Public License for more details.
	- *
	- * You should have received a copy of the GNU Lesser General Public License
	- * along with this library; if not, write to the Free Software Foundation,
	- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	- */
	-
	-#ifndef LSX_MALLOC_H
	-#define LSX_MALLOC_H
	-
	-#include <stddef.h>
	-#include <string.h>
	-
	-#define lsx_malloc(size) lsx_realloc(NULL, (size))
	-#define lsx_calloc(n,s) ((n)(s)? memset(lsx_malloc((n)(s)),0,(n)*(s)) : NULL)
	-#define lsx_Calloc(v,n) v = lsx_calloc(n,sizeof(*(v)))
	-#define lsx_strdup(p) ((p)? strcpy((char *)lsx_malloc(strlen(p) + 1), p) : NULL)
	-#define lsx_memdup(p,s) ((p)? memcpy(lsx_malloc(s), p, s) : NULL)
	-#define lsx_valloc(v,n) v = lsx_malloc((n)sizeof((v)))
	-#define lsx_revalloc(v,n) v = lsx_realloc(v, (n)sizeof((v)))
	-
	-#endif

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